- published: 13 Sep 2015
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An ancestor or forebear is a parent or (recursively) the parent of an ancestor (i.e., a grandparent, great-grandparent, great-great-grandparent, and so forth).
Two individuals have a genetic relationship if one is the ancestor of the other, or if they share a common ancestor. In evolutionary theory, species which share an evolutionary ancestor are said to be of common descent. However, this concept of ancestry does not apply to some bacteria and other organisms capable of horizontal gene transfer.
Assuming that all of an individual's ancestors are otherwise unrelated to each other, that individual has 2n ancestors in the nth generation before him and a total of about 2g+1 ancestors in the g generations before him. In practice, however, it is clear that the vast majority of ancestors of humans (and indeed any other species) are multiply related (see Pedigree collapse). Consider n = 40: the human species is more than 40 generations old, yet the number 240, approximately 1012 or one trillion, dwarfs the number of humans that have ever lived.
Rudolf Walter Richard Hess, also spelled Heß (26 April 1894 – 17 August 1987), was a prominent Nazi politician who was Adolf Hitler's deputy in the Nazi Party during the 1930s and early 1940s. On the eve of war with the Soviet Union, he flew solo to Scotland in an attempt to negotiate peace with the United Kingdom, where he was arrested and became a prisoner of war. Hess was tried at Nuremberg and sentenced to life imprisonment, which he served at Spandau Prison, Berlin, where he died in 1987. After World War II Winston Churchill wrote of Hess, "He was a medical and not a criminal case, and should be so regarded."
On 27–28 September 2007, British news services published descriptions of disagreement between his Western and Soviet captors over his treatment and how the Soviet captors were steadfast in denying his release. In July 2011, the remains of Hess were exhumed from a grave in Bavaria after it became a focus of a pilgrimage for neo-Nazis.
Hess, the eldest of four children, was born in Alexandria, Egypt, to Fritz H. Hess, a prosperous German Lutheran importer/exporter from Bavaria, and Clara Hess (née Münch). The family lived in luxury on the Egyptian coast near Alexandria, and visited Germany often during the summers, allowing the Hess children to learn the German language and to absorb German culture. The family moved back to Germany in 1908, where Hess enrolled as a boarder at the Protestant School in Bad Godesberg. Hess showed aptitude in science and mathematics, and expressed interest in becoming an astronomer. However, his father wished him to continue the family business, Hess & Co., and in 1911 convinced Hess to study business for a year in Neuchâtel, Switzerland, at the Ecole Supérieure de Commerce.
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