The Mollusca (), common name molluscs or mollusks (), is a large phylum of invertebrate animals. There are around 85,000 recognized extant species of molluscs. Mollusca is the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. Molluscs are highly diverse, not only in size and in anatomical structure, but also in behaviour and in habitat.

The phylum is typically divided into nine or ten taxonomic classes, of which two are entirely extinct. Cephalopod molluscs such as squid, cuttlefish and octopus are among the most neurologically-advanced of all invertebrates – and either the giant squid or the colossal squid is the largest known invertebrate species. The gastropods (snails and slugs) are by far the most numerous molluscs in terms of classified species, and account for 80% of the total.

Molluscs have such a varied range of body structures that it is difficult to find defining characteristics that apply to all modern groups. The two most universal features are a mantle with a significant cavity used for breathing and excretion, and the structure of the nervous system. As a result of this wide diversity, many textbooks base their descriptions on a hypothetical "generalized mollusc". This has a single, "limpet-like" shell on top, which is made of proteins and chitin reinforced with calcium carbonate, and is secreted by a mantle that covers the whole upper surface. The underside of the animal consists of a single muscular "foot". Although molluscs are coelomates, the coelom is very small, and the main body cavity is a hemocoel through which blood circulates – molluscs' circulatory systems are mainly open. The "generalized" mollusc's feeding system consists of a rasping "tongue" called a radula and a complex digestive system in which exuded mucus and microscopic, muscle-powered "hairs" called cilia play various important roles.

The "generalized mollusc" has two paired nerve cords, or three in bivalves. The brain, in species that have one, encircles the esophagus. Most molluscs have eyes, and all have sensors that detect chemicals, vibrations and touch. The simplest type of molluscan reproductive system relies on external fertilization, but there are more complex variations. All produce eggs, from which may emerge trochophore larvae, more complex veliger larvae, or miniature adults.

A striking feature of molluscs is the use of the same organ for multiple functions. For example: the heart and nephridia ("kidneys") are important parts of the reproductive system as well as the circulatory and excretory systems; in bivalves, the gills both "breathe" and produce a water current in the mantle cavity which is important for excretion and reproduction.

There is good evidence for the appearance of gastropods, cephalopods and bivalves in the Cambrian period }}. However the evolutionary history both of molluscs' emergence from the ancestral Lophotrochozoa and of their diversification into the well-known living and fossil forms are still subjects of vigorous debate among scientists.

Molluscs have been and still are an important food source for anatomically modern humans. However there is a risk of food-poisoning from toxins that accumulate in molluscs under certain conditions, and many countries have regulations that aim to minimize this risk. Molluscs have for centuries also been the source of important luxury goods, notably pearls, mother of pearl, Tyrian purple dye, and sea silk. Their shells have also been used as a money in some pre-industrial societies, although shell "currencies" have severe limitations compared with government-backed money.

Mollusc species can also represent hazards or pests for human activities. The bite of the blue-ringed octopus is often fatal, and that of ''Octopus apollyon'' causes inflammation that can last for over a month. Stings from a few species of large tropical cone shells can also kill, but their sophisticated though easily-produced venoms have become important tools in neurological research. Schistosomiasis (also known as bilharzia, bilharziosis or snail fever) is transmitted to humans via water snail hosts, and affects about 200 million people. Snails and slugs can also be serious agricultural pests, and accidental or deliberate introduction of some snail species into new environments has seriously damaged some ecosystems.

Etymology

The words ''mollusc'' and mollusk are both derived from the French ''mollusque'', which originated from the Latin ''molluscus'', from ''mollis'', soft. ''Molluscus'' was itself an adaptation of Aristotle's τᾲ μαλάκια, "the soft things", which he applied to cuttlefish. The scientific study of molluscs is known as malacology.

Definition

The two most universal features of the body structure of molluscs are a mantle with a significant cavity used for breathing and excretion, and the organization of the nervous system. The most abundant metallic element in molluscs is calcium.

Molluscs have developed such a varied range of body structures that it is difficult to find synapomorphies (defining characteristics) that apply to all modern groups. The most general characteristic of molluscs is that they are unsegmented and bilaterally symmetrical. The following are present in all modern molluscs:

The dorsal part of the body wall is a mantle (or pallium) which secretes calcareous spicules, plates or shells. It overlaps the body with enough spare room to form a mantle cavity.

The anus and genitals open into the mantle cavity.

There are two pairs of main nerve cords. Other characteristics that commonly appear in textbooks have significant exceptions: Yes Yes Yes Yes Yes

	Class
		!Aplacophora	!Polyplacophora	!Monoplacophora	!Gastropoda	!Cephalopoda	!Bivalvia	!Scaphopoda
style="text-align:left">Radula, a rasping "tongue" with chitinous teeth	Absent in 20% of Neomeniomorpha	Yes	|	Yes	Yes	No	Internal, cannot extend beyond body
style="text-align:left"	Broad, muscular foot	Reduced or absent	Yes	|	Yes	Modified into arms	Yes	Small, only at "front" end
style="text-align:left"	Dorsal concentration of internal organs (visceral mass)	Not obvious	Yes	|	Yes	Yes	Yes	Yes
style="text-align:left"	Large digestive ceca	No ceca in some aplacophora	Yes	|	Yes	Yes	Yes	No
style="text-align:left"	Large complex metanephridia ("kidneys")	None	Yes	|	Yes	Yes	Yes	Small, simple

Diversity

Estimates of accepted described living species of molluscs vary from 50,000 to a maximum of 120,000 species. In 2009 Chapman estimated the number of described living species at 85,000. Haszprunar in 2001 estimated about 93,000 named species, which include 23% of all named marine organisms. Molluscs are second only to arthropods in numbers of living animal species—far behind the arthropods' 1,113,000 but well ahead of chordates' 52,000. It has been estimated that there are about 200,000 living species in total, and 70,000 fossil species, although the total number of mollusc species that ever existed, whether or not preserved, must be many times greater than the number alive today.

Molluscs have more varied forms than any other animal phylum. They include snails, slugs and other gastropods; clams and other bivalves; squids and other cephalopods; and other lesser-known but similarly distinctive sub-groups. The majority of species still live in the oceans, from the seashores to the abyssal zone, but some form a significant part of the freshwater fauna and the terrestrial ecosystems. Molluscs are extremely diverse in tropical and temperate regions but can be found at all latitudes. About 80% of all known mollusc species are gastropods. Cephalopoda such as squid, cuttlefish and octopus are among the neurologically most advanced of all invertebrates. The giant squid, which until recently had not been observed alive in its adult form, is one of the largest invertebrates. However a recently caught specimen of the colossal squid, long and weighing , may have overtaken it.

Freshwater and terrestrial molluscs appear exceptionally vulnerable to extinction. Estimates of the numbers of non-marine molluscs vary widely, partly because many regions have not been thoroughly surveyed. There is also a shortage of specialists who can identify all the animals in any one area to species. However, in 2004 the IUCN Red List of Threatened Species included nearly 2,000 endangered non-marine molluscs. For comparison, the great majority of mollusc species are marine but only 41 of these appeared on the 2004 Red List. 42% of recorded extinctions since the year 1500 are of molluscs, almost entirely non-marine species.

A "generalized mollusc"

Because of the great range of anatomical diversity among molluscs, many textbooks start the subject by describing a hypothetical "generalized mollusc" to illustrate the most common features found within the phylum. The depiction is rather similar to modern monoplacophorans, and some suggest it ''may'' resemble very early molluscs.

The generalized mollusc has a single, "limpet-like" shell on top. The shell is secreted by a mantle that covers the upper surface. The underside consists of a single muscular "foot". The visceral mass, or visceropallium, is the soft, non-muscular metabolic region of the mollusc. It contains the body organs.

Mantle and mantle cavity

The mantle cavity is a fold in the mantle that encloses a significant amount of space. It is lined with epidermis. It is exposed, according to habitat, to sea, fresh water or air. The cavity was at the rear in the earliest molluscs but its position now varies from group to group. The anus, a pair of osphradia (chemical sensors) in the incoming "lane", the hindmost pair of gills and the exit openings of the nephridia ("kidneys") and gonads (reproductive organs) are in the mantle cavity. The whole soft body of bivalves lies within an enlarged mantle cavity.

Shell

The mantle edge secretes a shell (secondarily absent in a number of taxonomic groups, such as the nudibranchs) that consists of mainly chitin and conchiolin (a protein) hardened with calcium carbonate), except that the outermost layer in almost all cases is all conchiolin (see periostracum). Molluscs never use phosphate to construct their hard parts, with the questionable exception of ''Cobcrephora''. While most mollusc shells are composed mainly of aragonite, those gastropods that lay eggs with a hard shell use calcite (sometimes with traces of aragonite) to construct the eggshells.

The shell consists of three layers : the outer layer (the periostracum) made of organic matter, a middle layer made of columnar calcite and an inner layer consisting of laminated calcite, that is often nacreous.

Foot

The underside consists of a muscular foot, which has adapted to different purposes in different classes. The foot carries a pair of statocysts, which act as balance sensors. In gastropods, it secretes mucus as a lubricant to aid movement. In forms that have only a top shell, such as limpets, the foot acts as a sucker attaching the animal to a hard surface, and the vertical muscles clamp the shell down over it; in other molluscs, the vertical muscles pull the foot and other exposed soft parts into the shell. In bivalves, the foot is adapted for burrowing into the sediment; in cephalopods it is used for jet propulsion, and the tentacles and arms are derived from the foot.

Circulation

Molluscs' circulatory systems are mainly open. Although molluscs are coelomates, their coeloms are reduced to fairly small spaces enclosing the heart and gonads. The main body cavity is a hemocoel through which blood and coelomic fluid circulate and which encloses most of the other internal organs. These hemocoelic spaces act as an efficient hydrostatic skeleton. The blood contains the respiratory pigment hemocyanin as an oxygen-carrier. The heart consists of one or more pairs of atria (auricles), which receive oxygenated blood from the gills and pump it to the ventricle, which pumps it into the aorta (main artery), which is fairly short and opens into the hemocoel.

The atria of the heart also function as part of the excretory system by filtering waste products out of the blood and dumping it into the coleom as urine. A pair of nephridia ("little kidneys") to the rear of and connected to the coelom extracts any re-usable materials from the urine and dumps additional waste products into it, and then ejects it via tubes that discharge into the mantle cavity.

Respiration

Most molluscs have only one pair of gills, or even only one gill. Generally the gills are rather like feathers in shape, although some species have gills with filaments on only one side. They divide the mantle cavity so that water enters near the bottom and exits near the top. Their filaments have three kinds of cilia, one of which drives the water current through the mantle cavity, while the other two help to keep the gills clean. If the osphradia detect noxious chemicals or possibly sediment entering the mantle cavity, the gills' cilia may stop beating until the unwelcome intrusions have ceased. Each gill has an incoming blood vessel connected to the hemocoel and an outgoing one to the heart.

Eating, digestion, and excretion

Most molluscs have muscular mouths with radulae, "tongues" bearing many rows of chitinous teeth, which are replaced from the rear as they wear out. The radula primarily functions to scrape bacteria and algae off rocks. This radula is associated with the odontophore, a cartilaginous supporting organ

Molluscs mouths also contain glands that secrete slimy mucus, to which the food sticks. Beating cilia (tiny "hairs") drive the mucus towards the stomach, so that the mucus forms a long string.

At the tapered rear end of the stomach and projecting slightly into the hindgut is the prostyle, a backward-pointing cone of feces and mucus, which is rotated by further cilia so that it acts as a bobbin, winding the mucus string onto itself. Before the mucus string reaches the prostyle, the acidity of the stomach makes the mucus less sticky and frees particles from it.

The particles are sorted by yet another group of cilia, which send the smaller particles, mainly minerals, to the prostyle so that eventually they are excreted, while the larger ones, mainly food, are sent to the stomach's cecum (a pouch with no other exit) to be digested. The sorting process is by no means perfect.

Periodically, circular muscles at the hindgut's entrance pinch off and excrete a piece of the prostyle, preventing the prostyle from growing too large. The anus is in the part of the mantle cavity that is swept by the outgoing "lane" of the current created by the gills. Carnivorous molluscs usually have simpler digestive systems.

As the head has largely disappeared in bivalves, their mouth has been equipped with labial palps (two on each side of the mouth) to collect the detritus from its mucus.

Nervous system

Molluscs have two pairs of main nerve cords (three in bivalves) the visceral cords serving the internal organs and the pedal ones serving the foot. Both pairs run below the level of the gut, and include ganglia as local control centers in important parts of the body. Most pairs of corresponding ganglia on both sides of the body are linked by commissures (relatively large bundles of nerves). The only ganglia above the gut are the cerebral ganglia, which sit above the esophagus (gullet) and handle "messages" from and to the eyes. The pedal ganglia, which control the foot, are just below the esophagus and their commissure and connections to the cerebral ganglia encircle the esophagus in a nerve ring.

The brain, in species that have one, encircles the esophagus. Most molluscs have a head with eyes, and all have a pair of sensor-containing tentacles, also on the head, that detect chemicals, vibrations and touch.

Reproduction

The simplest molluscan reproductive system relies on external fertilization, but there are more complex variations. All produce eggs, from which may emerge trochophore larvae, more complex veliger larvae, or miniature adults. Two gonads sit next to the coelom, a small cavity that surrounds the heart and shed ova or sperm into the coloem, from which the nephridia extract them and emit them into the mantle cavity. Molluscs that use such a system remain of one sex all their lives and rely on external fertilization. Some molluscs use internal fertilization and/or are hermaphrodites, functioning as both sexes; both of these methods require more complex reproductive systems.

The most basic molluscan larva is a trochophore, which is planktonic and feeds on floating food particles by using the two bands of cilia round its "equator" to sweep food into the mouth, which uses more cilia to drive them into the stomach, which uses further cilia to expel undigested remains through the anus. New tissue grows in the bands of mesoderm in the interior, so that the apical tuft and anus are pushed further apart as the animal grows. The trochophore stage is often succeeded by a veliger stage in which the prototroch, the "equatorial" band of cilia nearest the apical tuft, develops into the velum ("veil"), a pair of cilia-bearing lobes with which the larva swims. Eventually the larva sinks to the seafloor and metamorphoses into the adult form. Whilst metamorphosis is the usual state in molluscs, the cephalopods differ in exhibiting direct development: the hatchling is a 'miniaturized' form of the adult.

Ecology

Feeding

Most molluscs are herbivorous, grazing on algae. Two feeding strategies are predominant: some feed on microscopic, filamentous algae, often using their radula as a 'rake' to comb up filaments from the sea floor. Others feed on macroscopic 'plants' such as kelp, rasping the plant itself with its radula. To employ this strategy, the plant has to be large enough for the mollusc to 'sit' on; therefore smaller macroscopic plants enjoy less molluscan herbivory than their larger counterparts. Naturally, there are exceptions; the cephalopods are primarily (perhaps entirely) predatory, and the radula takes a secondary role to the jaws and tentacles in food acquisition. The monoplacophoran ''Neopilina'' uses its radula in the usual fashion, but its diet includes protists such as the xenophyophore ''Stannophyllum''. Sacoglossan nudibranchs suck the sap from algae, using their one-row radula to pierce the cell walls, whereas dorid nudibranchs and some Vetigastrpods feed on sponges and others feed on hydroids. (An extensive list of molluscs with unusual feeding habits is available in the appendix of .)

Classification

Opinions vary about the number of classes of molluscs—for example the table below shows eight living classes, and two extinct ones. Although they are unlikely to form a clade, some older works combine the Caudofoveata and solenogasters into one class, the Aplacophora. Two of the commonly recognized "classes" are known only from fossils. worm-like organisms worm-like organisms chitons An ancient lineage of molluscs with cap-like shells All the snails and slugs including abalone, limpets, conch, nudibranchs, sea hares, sea butterflysquid, octopus, cuttlefish, nautilusclams, oysters, scallops, geoducks, mussels tusk shells fossils; probable ancestors of bivalves fossils; snail-like organisms such as ''Latouchella''

width="120"	Class			Distribution
Caudofoveata	|	120	seabed
Solenogastres	|	200	seabed
Polyplacophora	|	1,000	rocky tidal zone and seabed
Monoplacophora	|	31	seabed ; one species
Gastropoda	|	70,000	marine, freshwater, land
Cephalopoda	|	900	marine
Bivalvia	|	20,000	marine, freshwater
Scaphopoda	|	500	marine
Rostroconchia †	|	extinct	marine
Helcionelloida †	|	extinct	marine

Evolution

Fossil record

There is good evidence for the appearance of gastropods, cephalopods and bivalves in the Cambrian period }}. However, the evolutionary history both of the emergence of molluscs from the ancestral group Lophotrochozoa, and of their diversification into the well-known living and fossil forms, is still vigorously debated.

There is debate about whether some Ediacaran and Early Cambrian fossils really are molluscs. ''Kimberella'', from about , has been described as "mollusc-like", but others are unwilling to go further than "probable bilaterian". There is an even sharper debate about whether ''Wiwaxia'', from about , was a mollusc, and much of this centers on whether its feeding apparatus was a type of radula or more similar to that of some polychaete worms. Nicholas Butterfield, who opposes the idea that ''Wiwaxia'' was a mollusc, has written that earlier microfossils from are fragments of a genuinely mollusc-like radula. This appears to contradict the concept that the ancestral molluscan radula was mineralized.

{| align="right" |- valign="top" | | |} However, the Helcionellids, which first appear over in Early Cambrian rocks from Siberia and China, are thought to be early molluscs with rather snail-like shells. Shelled molluscs therefore predate the earliest trilobites. Although most helcionellid fossils are only a few millimeters long, specimens a few centimeters long have also been found, most with more limpet-like shapes. There have been suggestions that the tiny specimens were juveniles and the larger ones adults.

Some analyses of helcionellids concluded that these were the earliest gastropods. However other scientists are not convinced that Early Cambrian fossils show clear signs of the torsion that identifies modern gastropods twists the internal organs so that the anus lies above the head. For a long time it was thought that ''Volborthella'', some fossils of which pre-date , was a cephalopod. However discoveries of more detailed fossils showed that ''Volborthella''’s shell was not secreted but built from grains of the mineral silicon dioxide (silica), and that it was not divided into a series of compartments by septa as those of fossil shelled cephalopods and the living ''Nautilus'' are. ''Volborthella''’s classification is uncertain. The Late Cambrian fossil ''Plectronoceras'' is now thought to be the earliest clearly cephalopod fossil, as its shell had septa and a siphuncle, a strand of tissue that ''Nautilus'' uses to remove water from compartments that it has vacated as it grows, and which is also visible in fossil ammonite shells. However, ''Plectronoceras'' and other early cephalopods crept along the seafloor instead of swimming, as their shells contained a "ballast" of stony deposits on what is thought to be the underside and had stripes and blotches on what is thought to be the upper surface. All cephalopods with external shells except the nautiloids became extinct by the end of the Cretaceous period . However, the shell-less Coleoidea (squid, octopus, cuttlefish) are abundant today.

The Early Cambrian fossils ''Fordilla'' and ''Pojetaia'' are regarded as bivalves. "Modern-looking" bivalves appeared in the Ordovician period, . One bivalve group, the rudists, became major reef-builders in the Cretaceous, but became extinct in the Cretaceous-Tertiary extinction. Even so, bivalves remain abundant and diverse.

The Hyolitha is a class of extinct animals with a shell and operculum that may be molluscs. Authors who suggest that they deserve their own phylum do not comment on the position of this phylum in the tree of life

Phylogeny

A possible "family tree" of molluscs (2007). Does not include annelid worms as the analysis concentrated on fossilizable "hard" features. The phylogeny (evolutionary "family tree") of molluscs is a controversial subject. In addition to the debates about whether ''Kimberella'' and any of the "halwaxiids" were molluscs or closely related to molluscs, there are debates about the relationships between the classes of living molluscs. In fact some groups traditionally classifed as molluscs may have to be redefined as distinct but related.

Molluscs are generally regarded members of the Lophotrochozoa, a group defined by having trochophore larvae and, in the case of living Lophophorata, a feeding structure called a lophophore. The other members of the Lophotrochozoa are the annelid worms and seven marine phyla. The diagram on the right summarizes a phylogeny presented in 2007.

Because the relationships between the members of the family tree are uncertain, it is difficult to identify the features inherited from the last common ancestor of all molluscs. For example, it is uncertain whether the ancestral mollusc was metameric (composed of repeating units)—if it was, that would suggest an origin from an annelid-like worm. Scientists disagree about this: Giribet and colleagues concluded in 2006 that the repetition of gills and of the foot's retractor muscles were later developments, while in 2007 Sigwart concluded that the ancestral mollusc was metameric, and that it had a foot used for creeping and a "shell" that was mineralized. In one particular one branch of the family tree, the shell of conchiferans is thought to have evolved from the spicules (small spines) of aplacophorans; however this is difficult to reconcile with the embryological origins of spicules.

The molluscan shell appears to have originated from a mucus coating, which eventually stiffened into a cuticle. This would have been impermeable and thus forced the development of more sophisticated respiratory apparatus in the form of gills. Eventually, the cuticle would have become mineralized, using the same genetic machinery (''engrailed'') as most other bilaterian skeletons. The first mollusc shell almost certainly was reinforced with the mineral aragonite.

The evolutionary relationships ''within'' the molluscs are also debated, and the diagrams below show two widely supported reconstructions: {| cellspacing="0" cellpadding="0" |- valign="top" |The "Aculifera" hypothesis |The "Testaria" hypothesis |}

Morphological analyses tend to recover a conchiferan clade that receives less support from molecular analyses, although these results also lead to unexpected paraphylies, for instance scattering the bivalves throughout all other mollusc groups.

However, an analysis in 2009 that used both morphological and molecular phylogenetics comparisons concluded that the molluscs are not monophyletic; in particular, that Scaphopoda and Bivalvia are both separate, monophyletic lineages unrelated to the remaining molluscan classes—in other words that the traditional phylum Mollusca is polyphyletic, and that it can only be made monophyletic if scaphopods and bivalves are excluded. A 2010 analysis managed to recover the traditional conchiferan and aculiferan groups, but similarly concluded that the molluscs are not monophyletic, this time suggesting that solenogastres are more closely related to the non-molluscan taxa used as an outgroup than to other molluscs. Current molecular data is insufficient to constrain the molluscan phylogeny, and since the methods used to determine the confidence in clades are prone to over-estimation, it is risky to place too much emphasis even on the areas that different studies agree.

Human interaction

For millennia molluscs been a source of food for humans, as well as important luxury goods, notably pearls, mother of pearl, Tyrian purple dye, sea silk, and chemical compounds. Their shells have also been used as a form currency in some pre-industrial societies. Their outlandish forms have helped conjure tales of mythological sea monsters such as the Kraken. Many species of mollusc can bite or sting humans, and some have become agricultural pests.

Uses by humans

Molluscs, especially bivalves such as clams and mussels, have been an important food source since at least the advent of anatomically modern humans—and this has often resulted in over-fishing. Other commonly eaten molluscs include octopuses and squids, whelks, oysters, and scallops. In 2005, China accounted for 80% of the global mollusc catch, netting almost . Within Europe, France remained the industry leader. Some countries regulate importation and handling of molluscs and other seafood, mainly to minimize the poison risk from toxins that accumulate in the animals.

Most molluscs that have shells can produce pearls, but only the pearls of bivalves and some gastropods whose shells are lined with nacre are valuable. The best natural pearls are produced by marine pearl oysters. ''Pinctada margaritifera'' and ''Pinctada mertensi'', which live in the tropical and sub-tropical waters of the Pacific Ocean. Natural pearls form when a small foreign object gets stuck between the mantle and shell.

There are two methods of culturing pearls, by inserting either "seeds" or beads into oysters. The "seed" method uses grains of ground shell from freshwater mussels, and over-harvesting for this purpose has endangered several freshwater mussel species in the southeastern USA. The pearl industry is so important in some areas that significant sums of money are spent on monitoring the health of farmed molluscs.

Other luxury and high-status products were made from molluscs. Tyrian purple, made from the ink glands of murex shells, "... fetched its weight in silver" in the fourth-century BC, according to Theopompus. The discovery of large numbers of Murex shells on Crete suggests that the Minoans may have pioneered the extraction of "Imperial purple" during the Middle Minoan period in the 20th–18th century BC, centuries before the Tyrians. Sea silk is a fine, rare and valuable fabric produced from the long silky threads (byssus) secreted by several bivalve molluscs, particularly ''Pinna nobilis'', to attach themselves to the sea bed. Procopius, writing on the Persian wars circa 550 CE, "stated that the five hereditary satraps (governors) of Armenia who received their insignia from the Roman Emperor were given chlamys (or cloaks) made from ''lana pinna'' (Pinna "wool," or byssus). Apparently only the ruling classes were allowed to wear these chlamys."

Mollusc shells, including those of cowries, were used as a kind of money (shell money) in several pre-industrial societies. However these "currencies" generally differed in important ways from the standardized government-backed and -controlled money familiar to industrial societies. Some shell "currencies" were not used for commercial transactions but mainly as social status displays at important occasions such as weddings. When used for commercial transactions they functioned as commodity money, in other words as a tradable commodity whose value differed from place to place, often as a result of difficulties in transport, and which was vulnerable to incurable inflation if more efficient transport or "goldrush" behavior appeared.

Stings and bites

There is a risk of food poisoning from toxins that accumulate in molluscs under certain conditions, and many countries have regulations that aim to minimize this risk. Blue-ringed octopus bites are often fatal, and the bite of other octopuses can cause unpleasant symptoms. Stings from a few species of large tropical cone shells can also kill. However, the sophisticated venoms of these cone snails have become important tools in neurological research and show promise as sources of new medications.

When handled alive, a few species of molluscs can sting or bite and, with some species, this can present a serious risk to the human handling the animal. To put this into perspective however, deaths from mollusc venoms are less than 10% of the number of deaths from jellyfish stings.

All octopuses are venomous but only a few species pose a significant threat to humans. Blue-ringed octopuses in the genus ''Hapalochlaena'', which live around Australia and New Guinea, bite humans only if severely provoked, but their venom kills 25% of human victims. Another tropical species, ''Octopus apollyon'', causes severe inflammation that can last for over a month even if treated correctly, and the bite of ''Octopus rubescens'' can cause necrosis that lasts longer than one month if untreated, and headaches and weakness persisting for up to a week even if treated.

All species of cone snails are venomous and can sting when handled, although many species are too small to pose much of a risk to humans. These are carnivorous gastropods that feed on marine invertebrates (and in the case of larger species on fish). Their venom is based on a huge array of toxins, some fast-acting and others slower but deadlier—they can afford to do this because their toxins require less time and energy to be produced compared with those of snakes or spiders. Many painful stings have been reported, and a few fatalities, although some of the reported fatalities may be exaggerations. Only the few larger species of cone snail that can capture and kill fish are likely to be seriously dangerous to humans. The effects of individual cone shell toxins on victims' nervous systems are so precise that they are useful tools for research in neurology, and the small size of their molecules makes it easy to synthesize them.

The traditional belief that a giant clam can trap the leg of a person between its valves, thus drowning them, is a myth.

Pests

Schistosomiasis (also known as bilharzia, bilharziosis or snail fever) is transmitted to humans via water snail hosts, and affects about 200 million people. A few species of snails and slugs are serious agricultural pests, and in addition, accidental or deliberate introduction of various snail species into new territory has resulted in serious damage to some natural ecosystems.

Schistosomiasis is "second only to malaria as the most devastating parasitic disease in tropical countries. An estimated 200 million people in 74 countries are infected with the disease — 100 million in Africa alone." The parasite has 13 known species, of which two infect humans. The parasite itself is not a mollusc, but all the species have freshwater snails as intermediate hosts.

Some species of molluscs, particularly certain snails and slugs, can be serious crop pests, and when introduced into new environments can unbalance local ecosystems. One such pest, the giant African snail ''Achatina fulica'', has been introduced to many parts of Asia, as well as to many islands in the Indian Ocean and Pacific Ocean. In the 1990s this species reached the West Indies. Attempts to control it by introducing the predatory snail ''Euglandina rosea'' proved disastrous, as the predator ignored ''Achatina fulica'' and went on to extirpate several native snail species instead.

Despite its name, ''Molluscum contagiosum'' is a viral disease, and is unrelated to molluscs.

Notes

Footnotes

Citations

Further reading

; http://www.springerlink.com/content/l665628020163255/;

External links

Hardy's Internet Guide to Marine Gastropods

Planktonic mollusca fact sheets

Rotterdam Natural History Museum Shell Image Gallery

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Coordinates	39°44′21″N104°59′5″N
name	Monty Python
medium	Television, film, theatre, audio recordings, books
nationality	British
active	1969–1983
genre	Satire, surreal humour, dark comedy
influences	The Goons, Spike Milligan, Peter Cook
influenced	Douglas Adams, Eddie Izzard, George Carlin, Vic and Bob, Matt Stone, Trey Parker, Matt Groening
notable work	''Monty Python's Flying Circus'' (1969–1974)''And Now for Something Completely Different'' (1971)''Monty Python and the Holy Grail'' (1974)''Monty Python's Life of Brian'' (1979)''Monty Python Live at the Hollywood Bowl'' (1982)''Monty Python's The Meaning of Life'' (1983)
current members	Graham Chapman John Cleese Terry Gilliam Eric Idle Terry Jones Michael Palin
website	PythOnline
footnotes	}}

Monty Python (sometimes known as The Pythons) was a British surreal comedy group who created ''Monty Python's Flying Circus'', a British television comedy sketch show that first aired on the BBC on 5 October 1969. Forty-five episodes were made over four series. The Python phenomenon developed from the television series into something larger in scope and impact, spawning touring stage shows, films, numerous albums, several books and a stage musical as well as launching the members to individual stardom. The group's influence on comedy has been compared to The Beatles's influence on music.

The television series, broadcast by the BBC from 1969 to 1974, was conceived, written and performed by members Graham Chapman, John Cleese, Terry Gilliam, Eric Idle, Terry Jones, and Michael Palin. Loosely structured as a sketch show, but with an innovative stream-of-consciousness approach (aided by Gilliam's animation), it pushed the boundaries of what was acceptable in style and content. A self-contained comedy team responsible for both writing and performing their work, the Pythons' creative control allowed them to experiment with form and content, discarding rules of television comedy. Their influence on British comedy has been apparent for years, while in North America it has coloured the work of cult performers from the early editions of ''Saturday Night Live'' through to more recent absurdist trends in television comedy. "Pythonesque" has entered the English lexicon as a result.

In a 2005 UK poll to find ''The Comedian's Comedian'', three of the six Pythons members were voted by fellow comedians and comedy insiders to be among the top 50 greatest comedians ever: Cleese at #2, Idle at #21, and Palin at #30.

Before ''Flying Circus''

Palin and Jones met at Oxford University, where they performed together with the Oxford Revue. Cleese and Chapman met at Cambridge. Idle was also at Cambridge, but started a year after Cleese and Chapman. Cleese met Gilliam in New York while on tour with the Cambridge University Footlights revue ''Cambridge Circus'' (originally entitled ''A Clump of Plinths''). Chapman, Cleese and Idle were members of the Footlights, which at that time also included the future ''Goodies'' (Tim Brooke-Taylor, Bill Oddie and Graeme Garden), and Jonathan Lynn (co-writer of ''Yes Minister'' and ''Yes, Prime Minister''). During Idle's presidency of the Club, feminist writer Germaine Greer and broadcaster Clive James were members. Recordings of Footlights revues (called "Smokers") at Pembroke College include sketches and performances by Idle and Cleese. They are kept in the archives of the Pembroke Players, along with tapes of Idle's performances in some of the college drama society's theatrical productions.

Python members appeared in and/or wrote the following shows before ''Monty Python's Flying Circus''. ''The Frost Report'' is credited as first uniting the British Pythons and providing an environment in which they could develop their particular styles:

''I'm Sorry, I'll Read That Again'' (radio) (1964–1973) [Cleese: cast member & writer] – [Idle and Chapman: writers]

''The Frost Report'' (1966–1967) [Cleese: cast member and writer] – [Idle: writer of Frost's monologues] – [Chapman, Palin and Jones: writers]

''At Last the 1948 Show'' (1967) [Chapman and Cleese: writers and cast members] – [Idle: writer]

''Twice a Fortnight'' (1967) [Palin and Jones: cast members and writers]

''Do Not Adjust Your Set'' (1967–1969) [Idle, Jones, and Palin: cast members & writers] – [Gilliam: animation] — Bonzo Dog Band: musical interludes]

''We Have Ways of Making You Laugh'' (1968) [Idle: cast member & writer] – [Gilliam: animation]

''How to Irritate People'' (1968) [Cleese and Chapman: cast members & writers] – [Palin: cast member]

''The Complete and Utter History of Britain'' (1969) [Palin and Jones: cast members & writers]

''Doctor in the House'' (1969) [Cleese & Chapman: writers]

Several featured other important British comedy writers or performers of the future, including Marty Feldman, Jonathan Lynn, David Jason and David Frost, as well as members of other future comedy teams, Ronnie Corbett and Ronnie Barker (the Two Ronnies), and Tim Brooke-Taylor, Graeme Garden and Bill Oddie (the Goodies).

Following the success of ''Do Not Adjust Your Set'', originally intended to be a children's programme, with adults, ITV offered Palin, Jones, Idle and Gilliam their own series together. At the same time Cleese and Chapman were offered a show by the BBC, which had been impressed by their work on ''The Frost Report'' and ''At Last The 1948 Show''. Cleese was reluctant to do a two-man show for various reasons, including Chapman's supposedly difficult personality. Cleese had fond memories of working with Palin and invited him to join the team. With the ITV series still in pre-production, Palin agreed and suggested the involvement of his writing partner Jones and colleague Idle—who in turn suggested that Gilliam could provide animations for the projected series. Much has been made of the fact that the Monty Python troupe is the result of Cleese's desire to work with Palin and the chance circumstances that brought the other four members into the fold.

''Monty Python's Flying Circus''

Development of the series

The Pythons had a definite idea about what they wanted to do with the series. They were admirers of the work of Peter Cook, Alan Bennett, Jonathan Miller and Dudley Moore on ''Beyond the Fringe'', and had worked on ''Frost'', which was similar in style. They enjoyed Cook and Moore's sketch show ''Not Only... But Also''. One problem the Pythons perceived with these programmes was that though the body of the sketch would be strong, the writers would often struggle to then find a punchline funny enough to end on, and this would detract from the overall sketch quality. They decided that they would simply not bother to "cap" their sketches in the traditional manner, and early episodes of the Flying Circus series make great play of this abandonment of the punchline (one scene has Cleese turn to Idle, as the sketch descends into chaos, and remark that "This is the silliest sketch I've ever been in"—they all resolve not to carry on and simply walk off the set). However, as they began assembling material for the show, the Pythons watched one of their collective heroes, Spike Milligan, recording his groundbreaking series ''Q5'' (1969). Not only was the programme more irreverent and anarchic than any previous television comedy, Milligan would often "give up" on sketches halfway through and wander off set (often muttering "Did I write this?"). It was clear that their new series would now seem less original, and Jones in particular became determined the Pythons should innovate.

After much debate, Jones remembered an animation Gilliam had created for ''Do Not Adjust Your Set'' called ''Beware of the Elephants'', which had intrigued him with its stream-of-consciousness style. Jones felt it would be a good concept to apply to the series: allowing sketches to blend into one another. Palin had been equally fascinated by another of Gilliam's efforts, entitled ''Christmas Cards'', and agreed that it represented "a way of doing things differently". Since Cleese, Chapman and Idle were less concerned with the overall flow of the programme, it was Jones, Palin and Gilliam who became largely responsible for the presentation style of the ''Flying Circus'' series, in which disparate sketches are linked to give each episode the appearance of a single stream-of-consciousness (often using a Gilliam animation to move from the closing image of one sketch to the opening scene of another).

Writing started at 9 am and finished at 5 pm. Typically, Cleese and Chapman worked as one pair isolated from the others, as did Jones and Palin, while Idle wrote alone. After a few days, they would join together with Gilliam, critique their scripts, and exchange ideas. Their approach to writing was democratic. If the majority found an idea humorous, it was included in the show. The casting of roles for the sketches was a similarly unselfish process, since each member viewed himself primarily as a 'writer', rather than an actor desperate for screen time. When the themes for sketches were chosen, Gilliam had carte blanche to decide how to bridge them with animations, using a camera, scissors, and airbrush.

While the show was a collaborative process, different factions within Python were responsible for elements of the team's humour. In general, the work of the Oxford-educated members was more visual, and more fanciful conceptually (e.g., the arrival of the Spanish Inquisition in a suburban front room), while the Cambridge graduates' sketches tended to be more verbal and more aggressive (for example, Cleese and Chapman's many "confrontation" sketches, where one character intimidates or hurls abuse, or Idle's characters with bizarre verbal quirks, such as The Man Who Speaks In Anagrams). Cleese confirmed that "most of the sketches with heavy abuse were Graham's and mine, anything that started with a slow pan across countryside and impressive music was Mike and Terry's, and anything that got utterly involved with words and disappeared up any personal orifice was Eric's". Gilliam's animations, meanwhile, ranged from the whimsical to the savage (the cartoon format allowing him to create some astonishingly violent scenes without fear of censorship).

Several names for the show were considered before ''Monty Python's Flying Circus'' was settled upon. Some were ''Owl Stretching Time'', ''Toad Elevating Moment'', ''A Bucket, a Horse and a Spoon'', ''Vaseline Review'' and ''Bun, Wackett, Buzzard, Stubble and Boot''. ''Flying Circus'' stuck when the BBC explained it had printed that name in its schedules and was not prepared to amend it. Many variations on the name in front of this title then came and went (popular legend holds that the BBC considered ''Monty Python's Flying Circus'' to be a ridiculous name, at which point the group threatened to change their name every week until the BBC relented). "Gwen Dibley's Flying Circus" was named after a woman Palin had read about in the newspaper, thinking it would be amusing if she were to discover she had her own TV show. "Baron Von Took's Flying Circus" was considered as an affectionate tribute to Barry Took, the man who had brought them together. ''Arthur Megapode's Flying Circus'' was suggested, then discarded.

There are differing, somewhat confusing accounts of the origins of the Python name although the members agree that its only "significance" was that they thought it sounded funny. In the 1998 documentary ''Live At Aspen'' during the US Comedy Arts Festival, where the troupe was awarded the AFI Star Award by the American Film Institute, the group implied that "Monty" was selected (Eric Idle's idea) as a gently-mocking tribute to Field Marshal Lord Montgomery, a legendary British general of World War II; requiring a "slippery-sounding" surname, they settled on "Python". On other occasions Idle has claimed that the name "Monty" was that of a popular and rotund fellow who drank in his local pub; people would often walk in and ask the barman, "Has Monty been in yet?", forcing the name to become stuck in his mind. The name Monty Python was later described by the BBC as being "envisaged by the team as the perfect name for a sleazy entertainment agent".

Style of the show

''Flying Circus'' popularised innovative formal techniques, such as the cold open, in which an episode began without the traditional opening titles or announcements. An example of this is the "It's" man: Palin, outfitted in Robinson Crusoe garb, making a tortuous journey across various terrains, before finally approaching the camera to state, "It's...", only to be then cut off by the title sequence and theme music. On several occasions the cold open lasted until mid show, after which the regular opening titles ran. Occasionally the Pythons tricked viewers by rolling the closing credits halfway through the show, usually continuing the joke by fading to the familiar globe logo used for BBC continuity, over which Cleese would parody the clipped tones of a BBC announcer. On one occasion the credits ran directly after the opening titles. They also experimented with ending segments by cutting abruptly to another scene or animation, walking offstage, addressing the camera (breaking the fourth wall), or introducing a totally unrelated event or character. A classic example of this approach was the use of Chapman's "Colonel" character, who walked into several sketches and ordered them to be stopped because things were becoming "far too silly." Another favourite way of ending sketches was to drop a cartoonish "16-ton weight" prop on one of the characters when the sketch seemed to be losing momentum, or a knight in full armour (played by Terry Gilliam) would wander on-set and hit characters over the head with a rubber chicken, before cutting to the next scene. Yet another way of changing scenes was when John Cleese, usually outfitted in a dinner suit, would come in as a radio commentator and make the formal and determined announcement, "And now for something completely different."

The Python theme music is ''The Liberty Bell'', a march by John Philip Sousa, which was chosen, among other reasons, because the recording was in the public domain.

The use of Gilliam's surreal, collage stop motion animations was another innovative intertextual element of the Python style. Many of the images Gilliam used were lifted from famous works of art, and from Victorian illustrations and engravings. The giant foot which crushes the show's title at the end of the opening credits is in fact the foot of Cupid, cut from a reproduction of the Renaissance masterpiece ''Venus, Cupid, Folly, and Time'' by Bronzino. This foot, and Gilliam's style in general, are visual trademarks of the series.

The Pythons used the British tradition of cross-dressing comedy by donning frocks and makeup and playing female roles themselves while speaking in falsetto. Generally speaking, female roles were played by a woman (usually Carol Cleveland) when the scene specifically required that the character be sexually attractive (although sometimes they used Idle for this). In some episodes and later in ''Monty Python's Life of Brian'' they took the idea one step further by playing women who impersonated men (in the stoning scene).

Many sketches are well-known and widely quoted. "Dead Parrot", "The Lumberjack Song", "Spam", "Nudge Nudge", "The Spanish Inquisition", "Upper Class Twit of the Year", "Cheese Shop" and "The Ministry of Silly Walks" are just a few examples.

End of ''Flying Circus''

Having considered the possibility at the end of the second series, Cleese left the ''Flying Circus'' at the end of the third. He later explained that he felt he no longer had anything fresh to offer the show, and claimed that only two Cleese-and-Chapman-penned sketches in the third series ("Dennis Moore" and the "Cheese Shop") were truly original, and that the others were bits and pieces from previous work cobbled together in slightly different contexts. He was also finding Chapman, who was at that point in the full throes of alcoholism, difficult to work with. According to an interview with Idle, "It was on an Air Canada flight on the way to Toronto, when John (Cleese) turned to all of us and said 'I want out.' Why? I don't know. He gets bored more easily than the rest of us. He's a difficult man, not easy to be friendly with. He's so funny because he never wanted to be liked. That gives him a certain fascinating, arrogant freedom."

The rest of the group carried on for one more "half" series before calling a halt to the programme in 1974. The name ''Monty Python's Flying Circus'' appears in the opening animation for series four, but in the end credits the show is listed as simply "Monty Python". Despite his official departure from the group, Cleese supposedly made a (non-speaking) cameo appearance in the fourth series, but never appeared in the credits as a performer. Several episodes credit him as a co-writer since some sketches were recycled from scenes cut from the ''Holy Grail'' script. While the first three series contained 13 episodes each, the fourth ended after six.

Time-Life Films had the right to distribute all BBC-TV programs in America, however they had decided that British comedy simply would not work in the U.S.A. Therefore, it was not worth the investment to convert the Python shows from the European PAL standard to the American NTSC standard, which meant PBS stations could not afford the programmes. Finally, in 1974, Greg Garrison, TV producer for Dean Martin, used a couple of Python sketches ("Bicycle Repairman" and "The Dull Life of a Stockbroker") on the NBC series ''ComedyWorld'', a summer replacement series for ''The Dean Martin Show''. Payment for use of these segments was enough to pay for the conversion of the entire Python library to NTSC standard. At last, they could be sold to non-commercial TV stations, where officially they began airing in October 1974—exactly 5 years after their BBC debut. One PBS station had a program director (Ron Devillier) so eager that he 'jumped the gun' and started broadcasting the 'Flying Circus' episodes in that summer on the unlikely KERA in Dallas. The ratings shot through the roof—and was an encouraging sign to the other 100 stations that had signed up to air the shows. There was also cross-promotion from FM radio stations across the country, whose airing of tracks from the Python LPs had already introduced American audiences to this bizarre brand of comedy.

With the popularity of Python throughout the rest of the 1970s and through most of the 1980s, PBS stations looked at other British comedies, leading to UK shows such as ''Are You Being Served?'' gaining a US audience, and leading, over time, to many PBS stations having a "British Comedy Night" which airs many popular UK comedies.

Life after the ''Flying Circus''

Filmography

''And Now for Something Completely Different'' (1971)

The Pythons' first feature film (directed by Ian MacNaughton, reprising his role from the television series). It was composed of sketches from the first two seasons of the ''Flying Circus'', reshot on a low budget (and often slightly edited) for cinema release. Material selected for the film includes: "Dead Parrot", "The Lumberjack Song", "Upper Class Twit of the Year", "Hell's Grannies", "Self-Defence Class", "How Not To Be Seen" and "Nudge Nudge". Financed by Playboy's UK executive Victor Lownes, it was intended as a way of breaking Monty Python into America, and although it was ultimately unsuccessful in this, the film did good business in the UK (this still being in the era before home video would make it much more accessible to view the material again). The group did not consider the film a success.

''Monty Python and the Holy Grail'' (1974)

In 1974, between production on the third and fourth seasons, the group decided to embark on their first "proper" feature film, containing entirely new material. ''Monty Python and the Holy Grail'' was based on Arthurian Legend and was directed by Jones and Gilliam. Again, the latter also contributed linking animations (and put together the opening credits). Along with the rest of the Pythons, Jones and Gilliam performed several roles in the film, but it was Chapman who took the lead as King Arthur. Cleese returned to the group for the film, feeling that the group were once again breaking new ground. ''Holy Grail'' was filmed on location, in picturesque rural areas of Scotland, with a budget of only £229,000; the money was raised in part with investments from rock groups such as Pink Floyd, Jethro Tull and Led Zeppelin—and UK music industry entrepreneur Tony Stratton-Smith (founder and owner of the Charisma Records label, for which the Pythons recorded their comedy albums).

The backers of the film wanted to cut the famous Black Knight scene (in which the Black Knight loses his limbs in a duel) but it was eventually kept in the movie.

''Monty Python's Life of Brian'' (1979)

Following the success of ''Holy Grail'', reporters asked for the title of the next Python film, despite the fact that the team had not even begun to consider a third one. Eventually, Idle flippantly replied "Jesus Christ – Lust for Glory", which became the group's stock answer once they realised that it shut reporters up. However, they soon began to seriously consider a film lampooning the New Testament era in the same way ''Holy Grail'' had lampooned Arthurian legend. Despite them all sharing a distrust of organised religion, they agreed not to mock Jesus nor his teachings directly. Instead, they decided to write a satire on credulity and hypocrisy among the followers of someone who had been mistaken for the "Messiah," but who had no desire to be followed as such. Chapman was cast in the lead role of Brian.

The focus therefore shifted to a separate individual born at the same time, in a neighbouring stable. When Jesus appears in the film (first, as a baby in the stable, and then later on the Mount, speaking the Beatitudes), he is played straight (by actor Kenneth Colley) and portrayed with respect. The comedy begins when members of the crowd mishear his statements of peace, love and tolerance. ("I think he said, 'Blessed are the cheesemakers.'")

Directing duties were handled solely by Jones, having amicably agreed with Gilliam that Jones' approach to film-making was better suited for Python's general performing style. ''Holy Grail's'' production had often been stilted by their differences behind the camera. Gilliam again contributed two animated sequences (one being the opening credits) and took charge of set design. The film was shot on location in Tunisia, the finances being provided this time by former Beatle George Harrison, who together with Denis O'Brien formed the production company Hand-Made Films for the movie. He had a cameo role as the 'owner of the Mount.'

Despite its subject matter attracting controversy, particularly upon its initial release, it has (together with its predecessor) been ranked among the greatest comedy films. A Channel 4 poll in 2005 ranked ''Holy Grail'' in sixth place, with ''Life of Brian'' at the top.

''Monty Python Live at the Hollywood Bowl'' (1982)

Filmed at the Hollywood Bowl in Los Angeles during preparations for ''The Meaning of Life'', this was a concert film (directed by Terry Hughes) in which the Pythons performed sketches from the television series in front of an audience. The released film also incorporated footage from the German television specials (the inclusion of which gives Ian MacNaughton his first on-screen credit for Python since the end of ''Flying Circus'') and live performances of several songs from the troupe's then-current ''Monty Python's Contractual Obligation Album''.

''Monty Python's The Meaning of Life'' (1983)

Python's final film returned to something structurally closer to the style of ''Flying Circus''. A series of sketches loosely follows the ages of man from birth to death. Directed again by Jones solo, ''The Meaning of Life'' is embellished with some of Python's most bizarre and disturbing moments, as well as various elaborate musical numbers. The film is by far their darkest work, containing a great deal of black humour, garnished by some spectacular violence (including an operation to remove a liver from a living patient without anaesthetic and the morbidly obese Mr. Creosote exploding over several restaurant patrons). At the time of its release, the Pythons confessed their aim was to offend "absolutely everyone."

Besides the opening credits and the fish sequence, Gilliam, by now an established live action director, no longer wanted to produce any linking cartoons, offering instead to direct one sketch—''The Crimson Permanent Assurance''. Under his helm, though, the segment grew so ambitious and tangential that it was cut from the movie and used as a supporting feature in its own right. (Television screenings also use it as a prologue.) Crucially, this was the last project that all six Pythons would collaborate on, except for the 1989 compilation ''Parrot Sketch Not Included,'' where they are all seen sitting in a closet for four seconds. This would be the last time Chapman appeared on-screen with the Pythons.

''Secret Policeman's Ball'' benefit shows

Members of Python contributed their services to charitable endeavours and causes—sometimes as an ensemble, at other times as individuals. The cause that has been the most frequent and consistent beneficiary has been the human rights work of Amnesty International. Between 1976 and 1981, the troupe or its members appeared in four major fund-raisers for Amnesty—known collectively as the ''Secret Policeman's Ball'' shows—which were turned into multiple films, TV shows, videos, record albums and books. These benefit shows and their many spin-offs raised considerable sums of money for Amnesty, raised public and media awareness of the human rights cause and influenced many other members of the entertainment community (especially rock musicians) to become involved in political and social issues. Among the many musicians who have publicly attributed their activism—and the organisation of their own benefit events—to the inspiration of the work in this field of Monty Python are U2, Bob Geldof, Pete Townshend and Sting. The shows are credited by Amnesty with helping the organisation develop public awareness in the USA where one of the spin-off films was a major success.

Cleese and Jones had an involvement (as performer, writer or director) in all four Amnesty benefit shows, Palin in three, Chapman in two and Gilliam in one. Idle did not participate in the Amnesty shows. Notwithstanding Idle's lack of participation, the other five members (together with "Associate Pythons" Carol Cleveland and Neil Innes) all appeared together in the first ''Secret Policeman's Ball'' benefit—the 1976 ''A Poke In The Eye (With A Sharp Stick)''—where they performed several Python sketches. In this first show they were collectively billed as ''Monty Python''. (Peter Cook deputised for the errant Idle in one major sketch ''The Courtroom''.) In the next three shows, the participating Python members performed many Python sketches, but were billed under their individual names rather than under the collective Python banner. After a six-year break, Amnesty resumed producing ''Secret Policeman's Ball'' benefit shows in 1987 (sometimes with, and sometimes without variants of the iconic title) and by 2006 had presented a total of twelve such shows. The shows since 1987 have featured newer generations of British comedic performers, including many who have attributed their participation in the show to their desire to emulate the Python's pioneering work for Amnesty. (Cleese and Palin made a brief cameo appearance in the 1989 Amnesty show; apart from that the Pythons have not appeared in shows after the first four.)

Going solo

Each member has pursued various film, television and stage projects since the break-up of the group, but often continued to work with one another. Many of these collaborations were very successful, most notably ''A Fish Called Wanda'' (1988), written by Cleese, in which he starred along with Palin. The pair also appeared in ''Time Bandits'' (1981), a film directed by Gilliam, who wrote it together with Palin. Gilliam directed ''Jabberwocky'' (1977), and also directed and co-wrote ''Brazil'' (1985) and ''The Adventures of Baron Munchausen'' (1988), which featured Palin and Idle respectively. ''Yellowbeard'' (1983) was co-written by Chapman and featured Chapman, Cleese and Palin alongside many of their English contemporaries, including Peter Cook, Spike Milligan and Marty Feldman.

Palin and Jones wrote the comedic TV series ''Ripping Yarns'' (1976–79), starring Palin. Jones also appeared in the pilot episode and Cleese appeared in a non-speaking part in the episode "Golden Gordon". Jones' film ''Erik the Viking'', also has Cleese playing a small part.

In 1996, Terry Jones wrote and directed an adaption of Kenneth Grahame's novel ''The Wind in the Willows''. It featured four members of Monty Python: Jones as Mr. Toad, Idle as Ratty, Cleese as Mr. Toad's lawyer, and Palin as the Sun. Gilliam was considered for the voice of the river.

In terms of numbers of productions, Cleese has the most prolific solo career, having appeared in 59 theatrical films, 22 TV shows or series (including ''Cheers'', ''3rd Rock from the Sun'', Q's assistant in the James Bond movies, and ''Will & Grace''), 23 direct-to-video productions, six video games, and a number of commercials. His BBC sitcom ''Fawlty Towers'' (written by and starring Cleese together with his then-wife Connie Booth), is considered the greatest solo work by a Python since the sketch show finished. It is the only comedy series to rank higher than the ''Flying Circus'' on the BFI TV 100's list, topping the whole poll.

Idle enjoyed critical success with ''Rutland Weekend Television'' in the mid-1970s, out of which came the Beatles parody The Rutles (responsible for the cult mockumentary ''All You Need Is Cash''), and as an actor in ''Nuns on the Run'' (1990) with Robbie Coltrane. Idle has had success with Python songs: "Always Look on the Bright Side of Life" went to no. 3 in the UK singles chart in 1991. The song had been revived by Simon Mayo on BBC Radio 1, and was consequently released as a single that year. The theatrical phenomenon of the Python musical ''Spamalot'' has made Idle the most financially successful of the troupe post-Python. Written by Idle, it has proved an enormous hit on Broadway, London's West End and also Las Vegas. This was followed by ''Not the Messiah (He's a Very Naughty Boy)'', which repurposes ''The Life of Brian'' as an oratorio. For the work's 2007 premiere at the Luminato festival in Toronto (which commissioned the work), Idle himself sang the "baritone-ish" part.

Post-Python reunions

Since ''The Meaning of Life'', their last project as a team, the Pythons have often been the subject of reunion rumours. The final reunion of all six members occurred during the ''Parrot Sketch Not Included – 20 Years of Monty Python'' special. The death of Chapman in 1989 (on the eve of their 20th anniversary) put an end to the speculation of any further reunions. There have been several occasions since 1989 when the surviving five members have gathered together for appearances—albeit not formal reunions.

In 1996, Jones, Idle, Cleese and Palin were featured in a film adaptation of ''The Wind in the Willows'', which was later renamed ''Mr. Toad's Wild Ride''.

In 1998 during the US Comedy Arts Festival, where the troupe was awarded the AFI Star Award by the American Film Institute, the five remaining members along with what was purported to be Chapman's ashes, were reunited on stage for the first time in 18 years. The occasion was in the form of an interview called Monty Python Live At Aspen, (hosted by Robert Klein, with an appearance by Eddie Izzard) in which the team looked back at some of their work and performed a few new sketches.

On 9 October 1999, to commemorate 30 years since the first ''Flying Circus'' television broadcast, BBC2 devoted an evening to Python programmes, including a documentary charting the history of the team, interspersed with new sketches by the Monty Python team filmed especially for the event. The program appears, though omitting a few things, on the DVD ''The Life of Python''. Though Idle's involvement in the special is limited, the final sketch marks the only time since 1989 that all surviving members of the troupe appear in one sketch, albeit not in the same room.

In 2002, four of the surviving members, bar Cleese, performed "The Lumberjack Song" and "Sit on My Face" for George Harrison's memorial concert. The reunion also included regular supporting contributors Neil Innes and Carol Cleveland, with a special appearance from Tom Hanks.

In an interview to publicise the DVD release of ''The Meaning of Life,'' Cleese said a further reunion was unlikely. "It is absolutely impossible to get even a majority of us together in a room, and I'm not joking," Cleese said. He said that the problem was one of business rather than one of bad feelings. A sketch appears on the same DVD spoofing the impossibility of a full reunion, bringing the members “together” in a deliberately unconvincing fashion with modern bluescreen/greenscreen techniques.

Idle has responded to queries about a Python reunion by adapting a line used by George Harrison in response to queries about a possible Beatles reunion. When asked in November 1989 about such a possibility, Harrison responded: "As far as I'm concerned, there won't be a Beatles reunion as long as John Lennon remains dead." Idle's version of this was that he expected to see a proper Python reunion, "just as soon as Graham Chapman comes back from the dead", but added, "we're talking to his agent about terms."

2003's ''The Pythons Autobiography By The Pythons'', compiled from interviews with the surviving members, reveals that a series of disputes in 1998, over a possible sequel to ''Holy Grail'' that had been conceived by Idle, may have resulted in the group's permanent fission. Cleese's feeling was that ''The Meaning of Life'' had been personally difficult and ultimately mediocre, and did not wish to be involved in another Python project for a variety of reasons (not least amongst them was the absence of Chapman, whose straight man-like central roles in the original ''Grail'' and ''Brian'' films had been considered to be essential performance anchorage). Apparently Idle was angry with Cleese for refusing to do the film, which most of the remaining Pythons thought reasonably promising (the basic plot would have taken on a self-referential tone, featuring them in their main 'knight' guises from ''Holy Grail'', mulling over the possibilities of reforming their posse). The book also reveals that a secondary option around this point was the possibility of revitalising the Python brand with a new stage tour, perhaps with the promise of new material. This idea had also hit the buffers at Cleese's refusal, this time with the backing of other members.

March 2005 saw a full, if non-performing, reunion of the surviving cast members at the premiere of Idle's musical ''Spamalot'', based on ''Monty Python and the Holy Grail''. It opened in Chicago and has since played in New York on Broadway, London and numerous other major cities across the world. In 2004, it was nominated for 14 Tony Awards and won three: Best Musical, Best Direction of a Musical for Mike Nichols and Best Performance by a Featured Actress in a Musical for Sara Ramirez, who played the Lady of the Lake, a character specially added for the musical. Cleese played the voice of God, played in the film by Chapman.

Owing in part to the success of ''Spamalot'', PBS announced on 13 July 2005, that it would begin to re-air the entire run of ''Monty Python's Flying Circus'' and new one-hour specials focusing on each member of the group, called ''Monty Python's Personal Best.'' Each episode was written and produced by the individual being honoured, with the five remaining Pythons collaborating on Chapman's programme, the only one of the editions to take on a serious tone with its new material.

Eric Idle and John Cleese appeared on stage together singing "Always Look on the Bright Side of Life" with the rest of the performers for the climax of Prince Charles 60th Birthday Show.

In 2009, to commemorate the fortieth anniversary of the first episode of ''Monty Python's Flying Circus'', a six part documentary entitled ''Monty Python: Almost the Truth (The Lawyer's Cut)'' was released, featuring interviews with the surviving members of the team as well as archive interviews with Graham Chapman and numerous excerpts from the television series and films.

Also in commemoration of the 40th anniversary Idle, Palin, Jones and Gilliam appeared in a production of ''Not the Messiah (He's a Very Naughty Boy)'' at the Royal Albert Hall. The European premiere was held on 23 October 2009. An official 40th anniversary Monty Python reunion event took place in New York City on 15 October 2009 where the Team received a Special Award from the British Academy of Film and Television Arts.

In June 2011, it was announced that Monty Python have begun production on their first film project since ''the Meaning of Life'' in 1983. Their next film, ''A Liar's Autobiography'', is an animated 3D movie based on the memoir of the late Python member, Graham Chapman, who died in 1989 at the age of 48. ''A Liar’s Autobiography'' was published in 1980 and details Chapman's journey through medical school, alcoholism, acknowledgement of his gay identity and the toils of surreal comedy.

Asked what was true in a deliberately fanciful account by Chapman of his life, Terry Jones joked: "Nothing . . . it’s all a downright, absolute, blackguardly lie."

The film will use Chapman's own voice - from a reading of his autobiography shortly before he died of cancer - and entertainment channel EPIX announced that the film will be released in early 2012 in both 2D and 3D formats. Produced and directed by London-based Bill Jones, Ben Timlett and Jeff Simpson, the new film has 15 animation companies working on chapters that will range from three to 12 minutes in length, each in a different style.

John Cleese has recorded new dialogue which will be matched with Chapman’s voice and Michael Palin will voice Chapman’s mother and father. Terry Gilliam plays various roles. Among the original Python group, only Eric Idle has not become involved, though Timlett said the filmmakers are “working on” him.

Python members

Graham Chapman was originally a medical student, joining the Footlights at Cambridge. He completed his medical training and was legally entitled to practice as a doctor. Chapman is best remembered for the lead roles in ''Holy Grail'', as King Arthur, and ''Life of Brian'', as Brian Cohen. He died of spinal and throat cancer on 4 October 1989. At Chapman's memorial service, Cleese delivered an irreverent eulogy that included all the euphemisms for being dead from the Dead Parrot sketch, which they had written.

John Cleese is the oldest Python. He met his future Python writing partner, Graham Chapman in Cambridge.

Terry Gilliam, an American, was the only member of the troupe of non-British origin. He started off as an animator and strip cartoonist for Harvey Kurtzman's ''Help!'' magazine, one issue of which featured Cleese. Moving from the USA to England, he animated features for ''Do Not Adjust Your Set'' and was then asked by its makers to join them on their next project: ''Monty Python's Flying Circus''. He co-directed ''Monty Python and the Holy Grail'' and directed short segments of other Python films (for instance "The Crimson Permanent Assurance", the short film that appears before ''The Meaning of Life'').

When Monty Python was first formed, two writing partnerships were already in place: Cleese and Chapman, Jones and Palin. That left two in their own corners: Gilliam, operating solo due to the nature of his work, and Eric Idle. Regular themes in his contributions were elaborate wordplay and musical numbers. After ''Flying Circus'', he hosted ''Saturday Night Live'' four times in the first five seasons. Idle's initially successful solo career faltered in the 1990s with the failures of his 1993 film ''Splitting Heirs'' (written, produced by and starring him) and 1998's ''An Alan Smithee Film: Burn Hollywood Burn'' (in which he starred), which was awarded five Razzies, including 'Worst Picture of the Year'. He revived his career by returning to the source of his worldwide fame, adapting Monty Python material for other media. He also wrote the Broadway musical ''Spamalot'', based on the ''Holy Grail'' movie. He also wrote ''Not the Messiah (He's a Very Naughty Boy)'', an oratorio derived from the ''Life of Brian''.

Terry Jones has been described by other members of the team as the “heart” of the operation. Jones had a lead role in maintaining the group's unity and creative independence. Python biographer George Perry has commented that should you "speak to him on subjects as diverse as fossil fuels, or Rupert Bear, or mercenaries in the Middle Ages or Modern China... in a moment you will find yourself hopelessly out of your depth, floored by his knowledge." Many others agree that Jones is characterised by his irrepressible, good-natured enthusiasm. However, Jones' passion often led to prolonged arguments with other group members—in particular Cleese—with Jones often unwilling to back down. Since his major contributions were largely behind the scenes (direction, writing), and he often deferred to the other members of the group as an actor, Jones' importance to Python was often underrated. However, he does have the legacy of delivering possibly the most famous line in all of Python, as Brian's mother Mandy in ''Life of Brian'', "He's not the Messiah, he's a very naughty boy!", a line voted the funniest in film history on two occasions.

Michael Palin attended Oxford, where he met his Python writing partner Jones. The two also wrote the series ''Ripping Yarns'' together. Palin and Jones originally wrote face-to-face, but soon found it was more productive to write apart and then come together to review what the other had written. Therefore, Jones and Palin's sketches tended to be more focused than that of the others, taking one bizarre situation, sticking to it, and building on it. After ''Flying Circus'', he hosted ''Saturday Night Live'' four times in the first ten seasons. His comedy output began to decrease in amount following the increasing success of his travel documentaries for the BBC. Palin released a book of diaries from the Python years entitled ''Michael Palin Diaries 1969–1979'', published in 2007.

Associate Pythons

Several people have been accorded unofficial "Associate Python" status over the years. Occasionally such people have been referred to as the ''7th Python'', in a style reminiscent of George Martin (or other associates of The Beatles) being dubbed "the Fifth Beatle." The two collaborators with the most meaningful and plentiful contributions have been Neil Innes and Carol Cleveland. Both were present and presented as ''Associate Pythons'' at the official Monty Python 25th anniversary celebrations held in Los Angeles in July 1994. Neil Innes is the only non-Python besides Douglas Adams to be credited with writing material for the ''Flying Circus''. He appeared in sketches and the Python films, as well as performing some of his songs in ''Monty Python Live at the Hollywood Bowl''. He was also a regular stand-in for absent team members on the rare occasions when they re-created sketches. For example, he took the place of Cleese at the Concert for George. Gilliam once noted that if anyone qualified for the title of the "Seventh Python," it would certainly be Innes. He was one of the creative talents in the off-beat Bonzo Dog Band. He would later portray Ron Nasty of the Rutles and write all of the Rutles' compositions for ''All You Need is Cash'' (1978). By 2005, a falling out had occurred between Idle and Innes over additional Rutles projects, the results being Innes' critically acclaimed Rutles "reunion" album ''The Rutles: Archaeology'' and Idle's straight-to-DVD ''The Rutles 2: Can't Buy Me Lunch'', each undertaken without the other's participation. According to an interview with Idle in the ''Chicago Tribune'' in May 2005, his attitude is that he and Innes go back "too far. And no further." Innes has remained silent on the dispute.

Carol Cleveland was the most important female performer in the Monty Python ensemble, commonly referred to as the "Python Girl." Originally hired by producer/director John Howard Davies for just the first five episodes of the ''Flying Circus'', she went on to appear in approximately two-thirds of the episodes as well as in all of the Python films, and in most of their stage shows as well. Her common portrayal as the stereotypical "blonde bimbo" eventually earned her the sobriquet "Carol Cleavage" from the other Pythons, but she felt that the variety of her roles should not be described in such a pejorative way.

Other contributors

Cleese's first wife Connie Booth appeared in, amongst others "The Lumberjack Song" and as the "witch" in ''Monty Python and the Holy Grail''. Cleese and Booth later co-wrote and co-starred in ''Fawlty Towers''.

Douglas Adams was "discovered" by Chapman when a version of the ''Footlights Revue'' (a 1974 BBC2 television show featuring some of Adams' early work) was performed live in London's West End. In Cleese's absence from the final TV series, the two formed a brief writing partnership, with Adams earning a writing credit in one episode for a sketch called "Patient Abuse". In the sketch, a man who had been stabbed by a nurse arrives at his doctor's office bleeding profusely from the stomach, when the doctor makes him fill out numerous senseless forms before he can administer treatment. He also had two cameo appearances in this season. Firstly, in the episode ''The Light Entertainment War'', Adams shows up in a surgeon's mask (as Dr. Emile Koning, according to the on-screen captions), pulling on gloves, while Palin narrates a sketch that introduces one person after another, and never actually gets started. Secondly, at the beginning of ''Mr. Neutron'', Adams is dressed in a "pepperpot" outfit and loads a missile onto a cart being driven by Terry Jones, who is calling out for scrap metal ("Any old iron..."). Adams and Chapman also subsequently attempted a few non-Python projects, including ''Out of the Trees.'' He also contributed to a sketch on the soundtrack album for ''Monty Python and the Holy Grail''.

Stand-up comedian Eddie Izzard, a devoted fan of the group, has occasionally stood in for absent members. When the BBC held a "Python Night" in 1999 to celebrate 30 years of the first broadcast of ''Flying Circus'', the Pythons recorded some new material with Izzard standing in for Idle, who had declined to partake in person (he taped a solo contribution from the US). Izzard hosted a history of the group entitled ''The Life of Python'' (1999) that was part of the ''Python Night'' and appeared with them at a festival/tribute in Aspen, Colorado, in 1998 (released on DVD as ''Live at Aspen'').

Cultural influence

By the time of the twenty-fifth anniversary of Monty Python in 1994, the point was already being made that "the five surviving members had with the passing years begun to occupy an institutional position in the edifice of British social culture that they had once had so much fun trying to demolish". A similar point is made in a 2006 book on the relationship between Monty and philosophy: "It is remarkable, after all, not only that the utterly bizarre ''Monty Python's Flying Circus'' was sponsored by the BBC in the first place, but that Monty Python itself grew into an institution of enormous cultural influence" Matt Groening, creator and co-developer of animated series the Simpsons, names Monty Python as an influence and pays tribute through a couch gag used in seasons five and six.

Space

In 2010 the commercial space company SpaceX, launched a wheel of cheese into low earth orbit and returned it safely to the earth. Elon Musk, CEO and CTO of SpaceX, claimed this was done as a tribute to Monty Python.

World records

On St George's Day, 23 April 2007, the cast and creators of Spamalot gathered in Trafalgar Square under the tutelage of the two Terrys (Jones and Gilliam) to set a new record for the world's largest coconut orchestra. They led 5,567 people "clip-clopping" in time to the Python classic "Always Look On The Bright Side of Life" for the Guinness World Records attempt.

'Pythonesque'

Amongst the more visible cultural influences of Monty Python is the inclusion of terms either directly from, or derived from, Monty Python, into the lexicon of the English language. The most obvious of these is the term 'pythonesque', which has become a byword in surreal humour, and is included in standard dictionaries. Terry Jones commented on his disappointment at the existence of such a term, claiming the initial aim of Monty Python was to create something new and impossible to categorize and that "the fact that Pythonesque is now a word in the Oxford English Dictionary shows the extent to which we failed".

The term has been applied to animations similar to those constructed by Gilliam (e.g. the cut-out style of ''South Park'', whose creators have often acknowledged a debt to Python, including contributing material to the aforementioned 30th anniversary theme night).

''Good Eats'' creator Alton Brown cited Python as one of the influences that shaped how he created the series, as well as how he authors the script for each episode. Recent episodes even include Gilliam-style animations to illustrate key points.

Things named after Monty Python

Beyond a dictionary definition, Python terms have entered the lexicon in other ways.

The Python programming language by Guido van Rossum is named after the troupe, and Monty Python references are often found in sample code created for that language. Additionally, a 2001 April Fool's Day joke by van Rossum and Larry Wall involving the merger of Python with Perl was dubbed "Parrot" after the Dead Parrot Sketch. The name "Parrot" was later used for a project to develop a virtual machine for running bytecode for interpreted languages such as Perl and Python. Also, the Jet Propulsion Laboratory wrote some spacecraft navigation software in Python, which they dubbed "Monty". There is also a python refactoring tool called bicyclerepair ( ), named after Bicycle Repair Man sketch.

In 1985, a fossil of a previously unknown species of gigantic prehistoric snake from the Miocene was discovered in Riversleigh, Queensland, Australia. The Australian palaeontologist who discovered the fossil snake was a Monty Python fan, and he gave the snake the taxonomic name of ''Montypythonoides riversleighensis'' in honour of the Monty Python team. (Transliterated from Greek Μοντυπυθωνοειδής back to English, Montypythonoides means "like Monty Python".) In 2006, Ben & Jerry's, known for their "celebrity flavours", introduced to the lineup "Vermonty Python", a coffee liqueur ice cream with a chocolate cookie crumb swirl and fudge cows. The name "Minty Python" had been suggested before in 1996 in a contest to select the quintessential British ice cream flavor. In 1999, Black Sheep Brewery released an ale named "Monty Python's Holy Grail Ale."

The band Toad the Wet Sprocket drew its name from the Eric Idle monologue "Rock Notes" on Monty Python's ''Contractual Obligation Album'' from 1980.

The band Boxhamsters, which is the German translation of Brook-Hamster, the winner of the Upper Class Twit of the Year. A philosophy lecture series entitled ''Themes in Contemporary Analytic Philosophy as Reflected in the Work of Monty Python''. The term "spam" in reference to bulk, unsolicited email is derived from the programme's 1970 "Spam" sketch.

In the book ''The Reptile Room'' by "Lemony Snicket", the character Uncle Monty was named after Monty Python, in a joke referring to his obsession with snakes.

Seven asteroids are named after Monty Python: 9617 Grahamchapman, 9618 Johncleese, 9619 Terrygilliam, 9620 Ericidle, 9621 Michaelpalin, 9622 Terryjones, and 13681 Monty Python .

The endangered Bemaraha woolly lemur (Avahi cleesei) is named after John Cleese.

''Dead Parrot Society'' is the title of a comedy CD released in 1993 featuring sketches from ''Monty Python's Flying Circus'' as well as Graham Chapman, Peter Cook, John Cleese, Dudley Moore, and The Portsmouth Sinfonia The title is also a play on the 1989 film ''Dead Poets Society''.

Media

Television

''Monty Python's Flying Circus'' (1969–74)

:The show that started the Python phenomenon. See also List of Monty Python's Flying Circus episodes

''Monty Python's Fliegender Zirkus'' (1972)

: Two 45-minute specials made by WDR for West German television. The first was recorded in German, while the second was in English with German dubbing.

''Monty Python's Personal Best'' (2006)

:Six one-hour specials, each episode presenting the best of one member's work.

''Monty Python: Almost the truth''(2012)

:Six 1 hour shows about the monty python team and their unwanted celebrity status

Films

There were five Monty Python productions released as theatrical films:

''And Now for Something Completely Different'' (1971)

:A collection of sketches from the first and second TV series of ''Monty Python's Flying Circus'' purposely re-enacted and shot for film.

''Monty Python and the Holy Grail'' (1974)

:King Arthur and his knights embark on a low-budget search for the Holy Grail, encountering humorous obstacles along the way. Some of these turned into standalone sketches.

''Monty Python's Life of Brian'' (1979)

:Brian is born on the first Christmas, in the stable next to Jesus'. He spends his life being mistaken for a messiah.

''Monty Python Live at the Hollywood Bowl'' (1982)

:A videotape recording directed by Ian MacNaughton of a live performance of sketches. Originally intended for a TV/video special. Transferred to 35mm and given a limited theatrical release in the US.

''Monty Python's The Meaning of Life'' (1983)

:An examination of the meaning of life in a series of sketches from conception to death and beyond.

''Monty Python: Almost the Truth (The Lawyer's Cut)'' (2009)

:This film features interviews with all the surviving Python members, along with archive representation for the late Graham Chapman.

''A Liar's Autobiography: Volume IV'' (2012)

:This is an animated film which is based on the memoir of the late Monty Python member, Graham Chapman.

Albums

''Monty Python's Flying Circus'' (1970)

''Another Monty Python Record'' (1971)

''Monty Python's Previous Record'' (1972)

''The Monty Python Matching Tie and Handkerchief'' (1973)

''Monty Python Live at Drury Lane'' (1974)

''The Album of the Soundtrack of the Trailer of the Film of Monty Python and the Holy Grail'' (1975)

''Monty Python Live at City Center'' (1976)

''The Monty Python Instant Record Collection'' (1977)

''Monty Python's Life of Brian'' (1979)

''Monty Python's Contractual Obligation Album'' (1980)

''Monty Python's The Meaning of Life'' (1983)

''The Final Rip Off'' (1988)

''Monty Python Sings'' (1989)

''The Monty Python Instant Record Collection, Volume 2'' (1991)

''The Ultimate Monty Python Rip Off'' (1994)

''The Instant Monty Python CD Collection'' (1994)

''Spamalot'' (Broadway version of ''Monty Python and the Holy Grail'' with Tim Curry as King Arthur) (2005)

''The Hastily Cobbled Together for a Fast Buck Album'' (unreleased)

Theatre

''Monty Python's Flying Circus'' – Between 1974 and 1980 (Live at the Hollywood Bowl was released in 1982, but was performed in 1980) the Pythons made three sketch-based stage shows, comprising mainly material from the original television series.

''Monty Python's Spamalot'' – Written by Idle directed by Mike Nichols, with music and lyrics by John Du Prez and Idle, and starring Hank Azaria, Tim Curry, and David Hyde Pierce, ''Spamalot'' is a musical adaptation of the film ''Monty Python and the Holy Grail''. It ran in Chicago from 21 December 2004 to 23 January 2005, and began performances on Broadway on 17 March 2005. It won three Tonys.

''Not the Messiah (He's a Very Naughty Boy)'' – The Toronto Symphony Orchestra commissioned Idle and John Du Prez to write the music and lyrics of an oratorio based on ''Monty Python's Life of Brian''. Entitled ''Not the Messiah'', it had its world premiere as part of Luminato, a "festival of arts and creativity" taking place 1–10 June 2007 in Toronto. ''Not the Messiah'' was conducted by Peter Oundjian, Music Director of the Toronto Symphony Orchestra, who is Idle’s cousin. It was performed by a narrator, the Toronto Symphony Orchestra, with guest soloists and choir. According to Idle, "It will be funnier than Handel, though not as good".

Books

''Monty Python's Big Red Book'' (1971) ISBN 0-413-29520-6.

''The Brand New Monty Python Bok'' (1973) ISBN 0-7493-1170-3.

''Monty Python and The Holy Grail (book) – Mønti Pythøn ik den Hølie Gräilen (Bøk)'' (1977) ISBN 0-413-38520-5.

''MONTYPYTHONSCRAPBOOK/ The Life of Brian'' (1979) ISBN 0-413-46550-0.

''Monty Python's Flying Circus – Just The Words'' Volume 1 (1989) ISBN 0-413-62540-0.

''Monty Python's Flying Circus – Just The Words'' Volume 2 (1989) ISBN 0-413-62550-8.

''The Complete Monty Python's Flying Circus'' Volumes 1 & 2

''The Fairly Incomplete & Rather Badly Illustrated Monty Python Song Book'' (1994) ISBN 0-413-69000-8

''Michael Palin Diaries 1969–1979''

''The Pythons: Autobiography by the Pythons''

''The Life of Brian/Jesus'' (2011) ISBN 978-184876-628-0.

Games

''Monty Python's Flying Circus'' (1990) a computer game released by Virgin Games for 8-bit systems such as the Commodore 64, Amstrad CPC and the Sinclair ZX Spectrum

''Monty Python's Complete Waste of Time'' (1994) released by 7th Level for PC / DOS

''Monty Python & the Quest for the Holy Grail'' (1996), official game released by 7th Level. It used footage and imagery from the film, as well as audio clips (some new) and featured an animated version of a scene never filmed entitled "King Brian The Wild".

''Monty Python's The Meaning of Life'' (1997), also released by 7th Level. According to the jewel case description, it's based on the film by the same name, but it's really something completely similar yet entirely different.

''Python-opoly'' (2007), a Monty Python-themed property game released by Toy Vault Inc. ''Monty Python Fluxx'' (2008), a card game released by Looney Labs

''Blazing Dragons''

See also

Beyond the Fringe

List of Monty Python's Flying Circus episodes

List of recurring characters in Monty Python's Flying Circus

Monty Python's Complete Waste of Time

Python (Monty) Pictures

Spamalot

The Goodies

The Goon Show

References

Further reading

The Secret Policeman's Balls, 3-DVD set (2009)

Monty Python: 40 Years of Insanity

The Life of Python – 20 Greatest Monty Python Sketches (40th Anniversary)

External links

Pythonline.com – Monty Python's sort-of official site, actively maintained by Eric Idle

Monty Python – Official YouTube page

Monty Python Videos – Monty Python's best videos and movies

Python at ifilm.com

Pythonisms: Python quotes as figures of speech

The SOTCAA Monty Python Pages

Release of the 3-DVD Secret Policeman's Balls

40 Years of Monty Python – photo essay by ''TIME'' magazine

Monty Python Reunion event, New York, 15 October 2009

Category:British comedy troupes Category:British television comedy Category:Virgin Records artists Category:Arista Records artists Category:European Film Awards winners (people) Category:Charisma Records artists

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Coordinates	39°44′21″N104°59′5″N
name	Simon Anderson
birth date	July 07, 1954
death date
nationality	Australian
occupation	SurferSurfboard manufacturer }}

Simon Anderson (born 7 July 1954) is an Australian surfer and surfboard shaper, noted for creating the Thruster design of three equal-sized fins on a surfboard, a design now used on most shortboards.

Early life

Anderson grew up in Collaroy, Sydney, the second oldest of four brothers. All four were surfers and strong swimmers, and competed in Surf Life Saving competitions. The family moved to North Narrabeen when Simon was 16.

Anderson's surfing skill stood out from his brothers, and in 1972 he was a surprise winner of the junior division at the Bells Beach Classic Easter competition. In that year he also started shaping, with Shane Stedman in the Sydney suburb (and surf-factory hotbed) of Brookvale near his home.

When Simon was recruited by Shane Surfboards, he was given the job of shaping "pop-outs," as they were called. That basically meant that after the foam blank came out of the mold, the outer skin had to be taken off and then the board was glassed. They were a mass produced 'affordable' surfboard, but Simon was able to gain a considerable amount of shaping experience in a short time. He now had two things going for him. Simon was a world class surfer and he shaped his own equipment.

The Shane factory at that time was the workplace of quite a few noted Australian shapers. Among them were Terry Fitzgerald (Hot Buttered), Butch Cooney, Ted Spencer (from the films "Evolution" and "Sea Of Joy") and Frank Latta. These shapers contributed to Simon learning his craft, but it would be another local shaper who would have a profound influence on Simon's career and the development of the Thruster.

In 1975 he started his own surfboard factory, Energy Surfboards, in Brookvale.

Surfing career

Simon was an incredible surfer with a smooth, but powerful style. A 'natural footer' (left foot forward), Simon was noted for having exceptional ability on his backhand, no doubt honed in the famous lefts of North Narrabeen. He was and is a true power surfer in the proud lineage of Nat Young, Peter Drouyn, Keith Paull, John Otten, David Humphrey Treloar (the latter are two of Simon's favorites) and the other Australian great's that influenced the time. Anderson's surfing style was powerful and graceful, reflecting his size (over six feet tall, the same as his brothers). His laid-back attitude to life seemed to limit his success in competition though. Still, he was a two-time Australian Junior Champion in 1971 and 1972, and on the World Professional Tour he finished 3rd in 1977 and 6th in both ‘80 and ‘81. Simon has double wins at both Bells and the Coke events, along with a Pipeline Masters victory.

In 1977 he had a burst of professional competitive success, winning first the Bells Beach Classic competition, then the Coke Surfabout in Sydney. Those wins, on single-fin boards, put him into the top 10 on the world championship tour and gave him a chance of taking that title, until the twin-fin intervened. Mark Richards had created a twin-fin design which greatly helped sharp turns on steep waves, by always having one fin deep in the wave. The twin-fin was capable of performing in the poor wave conditions and locations that the WCT events were often held in at that time. Within months surfers on this design were winning all competitions, but it was badly unsuited to Anderson's size and style. He simply overpowered the twin fin and didn't like the idea of having to 'nurse' the board through turns, and he wasn't going to compromise his surfing to adapt to the design.

The Thruster

In October '80, Simon crossed paths with Frank Williams. Frank, a journeyman shaper, had worked with Geoff McCoy, Barry Bennett and other notable Sydney board makers. Simon ran into Frank as he was coming out of the water at Narrabeen with a board that was essentially a twin fin with a strange little "half moon" shaped fin on the tail. Simon asked him what the third fin was for, and Frank told him that it made it more stable. Simon responded that he'd make it "real stable." In that moment the Thruster was conceived in Simon's mind. Being a shaper, he built his idea right away.

This wasn't the first time three fins had been used on a board, Anderson was aware of the Campbell Brothers ''Bonzer'' from December, 1970. and the Tri-fin by Bob McTavish from 1971. The Tri-fin design was essentially a single fin with two small outer fins. The Bonzer had a triangular fin set up with two 'keel' shaped fins with long bases, along with a large center fin. But the Thruster was the first with equal size fins. The idea was to have the maneuverability of a twin-fin, but the stability and drive of a single-fin, in particular enough stability to prevent the tail drift found on twin-fins in big waves.

The original Thruster had fins made from single fin 'lay-ups' (layers of fiberglass), which were thicker than what is used on today's multi-fin boards. Simon knew enough about board design to figure that the fins could be smaller as there were more of them. However, the back fin started off slightly bigger than the forward fins, but since that caused the rear fin to hang over the tail, sander Steve Zoeller ground it down at Simon's request so that Simon would not get cut should his foot slip over the tail block. Consequently, all three fins ended up roughly the same size.

Simon noticed some drag due to the thicker fins and corrected that on the 2nd one he made by using thinner fins, at the same time increasing the tail width, also to compensate for the drag. He states he found using the thinner fins alone eliminated the drag issue, but that initially the Thruster was labeled inaccurately as needing a very wide tail to work. That misconception disappeared fairly quickly once a lot of them started being made by shapers all over the world.

Another 'North Narra' surfer named Bill McCausland, who later became one of the founders of Gorilla Grip and FCS, told Simon he should name this new design. Simon explained how the name Thruster came about: }}

Reception

He took that first Thruster to Hawaii for the 1980-81 winter on the North Shore, then on to California where he signed on to be sponsored by Gary McNabb at Nectar. McNabb wanted an Australian surfer because they were making a big splash in the world of surfing at the time.

The Thruster was met with skepticism initially, thought perhaps merely a gimmick, or only for Anderson's particular size and style. Back in Sydney in early 1981 Anderson made two more Thrusters at his own factory and using those he won the double of the Bells Beach Classic and the Coke Surfabout in Sydney, for a second time, then later the Pipe Masters at Banzai Pipeline in Hawaii. Although a few multi-fin designs had been invented and some, notably the Campbell Brothers' "Bonzer", had been used since the early 70s, multi-fin configurations exploded in popularity and have been in constant development since Anderson's competitive successes.

Those victories silenced the critics and brought the thruster to everyone's attention. For the rest of 1981 competitions still had single-fins and twin-fins in use, but from 1984 onwards every world champion has used a thruster. Today most shortboards use this design, as well as some longboards.

Manufacturing

Anderson began to sell his new design with Energy Surfboards and it is thought that Philip Briggs from NSW Australia was the first to buy the design. Many original Thruster Surfboards currently have a high re-sale value as they are very rare.

Anderson never sought to patent or trademark his design, so despite it becoming ubiquitous he never directly profited. He labeled boards from his factory as "The Original 3 Fin Thruster. Concept and Design by Simon Anderson." He said in later years that he "couldn't be bothered" exploiting the concept commercially. Though Tom Carroll remarks that perhaps his natural generosity meant it was simply not in his nature to deny it to others.

A small kind of homage to his gift to the world of surfing holds that every surfer with a thruster should give Anderson $1 as thanks. Derek Hynd did that circa 1993, $55 for the boards he owned. Lost Surfboards USA did it for every board they sold in 2003, which was about $5000.

Personal life

Today Anderson lives with his wife and two sons in Newport Beach, Sydney, a few suburbs north of where he grew up. He still makes state-of-the-art surfboards at BASE on Australia's Gold Coast under his own name.

References

http://www.bonzer5.com

http://www.basesurfboards.com.au

http://www.surfresearch.com.au/1981_Simon_Anderson.html

Category:Australian surfers Category:1954 births Category:Living people Category:Surfboard shapers