- published: 24 Aug 2013
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Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS (18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, historian, and social critic. At various points in his life he considered himself a liberal, a socialist, and a pacifist, but he also admitted that he had never been any of these in any profound sense. He was born in Monmouthshire, into one of the most prominent aristocratic families in Britain.
Russell led the British "revolt against idealism" in the early 20th century. He is considered one of the founders of analytic philosophy along with his predecessor Gottlob Frege and his friend Ludwig Wittgenstein, and is widely held to be one of the 20th century's premier logicians. He co-authored, with A. N. Whitehead, Principia Mathematica, an attempt to ground mathematics on logic. His philosophical essay "On Denoting" has been considered a "paradigm of philosophy." His work has had a considerable influence on logic, mathematics, set theory, linguistics, computer science (see type theory and type system), and philosophy, especially philosophy of language, epistemology, and metaphysics.
Delia Ann Derbyshire (5 May 1937 – 3 July 2001) was an English musician and composer of electronic music and musique concrète. She is best known for her electronic realisation of Ron Grainer's theme music to the British science fiction television series Doctor Who and for her work with the BBC Radiophonic Workshop.
Derbyshire was born in Coventry, daughter of Emma (née Dawson) and Edward Derbyshire. of Cedars Avenue, Coundon, Coventry, a sheet-metal worker. She had one sibling, a sister, who died young. Her father died in 1965 and her mother in 1994.
During the Second World War, immediately after the Coventry Blitz in 1940, she was moved to Preston, Lancashire for safety, where her parents had moved from and where most of her surviving relatives still live. She was very bright and, by the age of four, was teaching others in her class to read and write in primary school, but said "The radio was my education". Her parents bought her a piano when she was eight years old. Educated at Barr's Hill Grammar School from 1948 to 1956, she was accepted at both Oxford and Cambridge, "quite something for a working class girl in the 'fifties, where only one in 10 (students) were female", won a scholarship to study mathematics at Girton College, Cambridge but, apart from some success in the mathematical theory of electricity, she claims she did badly and after one year switched to music, graduating in 1959 with an MA in Mathematics and Music and specialising in medieval and modern music history. Her other principal qualification was LRAM in pianoforte.