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 Alan Mathison Turing

Alan Mathison Turing

Birth
Maida Vale, City of Westminster, Greater London, England
Death 7 Jun 1954 (aged 41)
Wilmslow, Cheshire East Unitary Authority, Cheshire, England
Burial Woking, Woking Borough, Surrey, England
Memorial ID 12651680 · View Source
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Scientist. A British cryptographer, mathematician, logican, and philosopher. During World War II he was instrumental in contributing to decipher the Nazi code. Some sources say this work was decisive for defeating the Third Reich. He was born in Paddington, West London, England. His father, Julius Mathison Turing, was a member of the Indian Civil Service. Very early in life he showed signs of the genius he was to display more prominently later, presenting an early affinity for numbers and puzzles. He attended St.Michael's, a day school, at six years of age. The headmistress recognized his genius early on, as did many of his subsequent educators. In 1926, at the age of 14 he went to Sherborne school in Dorset. His first day of term coincided with a general strike in England, and so determined was he to attend his first day that he rode his bike unaccompanied over sixty miles from Southampton to school, stopping overnight at an inn - a feat reported in the local press. Turing's natural inclination toward mathematics and science did not earn him respect with the teachers at Sherbourne, a famous and expensive public school (a British private school with charitable status), whose definition of education placed more emphasis on the classics. He demonstrated remarkable ability in the studies he loved, solving advanced problems in 1927 without having even studied elementary calculus. In 1928, aged sixteen, he encountered Albert Einstein's work; not only did he grasp it, but he extrapolated Einstein's questioning of Newton's laws of motion from a text in which this was never made explicit. He then attended King's College , Cambridge, where he was undergraduate from 1931 to 1934, graduating with a distinguished degree, and in 1935 was elected a Fellow at King's College. During World War II, Turing was a major participant in the efforts at Bletchley Park to break German ciphers. His code-breaking work was kept secret until the 1970s; not even his close friends knew about it. He contributed several mathematical insights into breaking both the Enigma machine and the Lorenz SZ 40/42 (a teletype cipher attachment), the code by means of which the German armed forces sought to protect their radio communications, and was for a time head of Hut 8, the section at Bletchley Park responsible for reading German Naval signals. To break Enigma he devised an electro-mechanical machine which searched for the correct setting of the Enigma rotors. The machine was called the bombe, named after the Polish-designed bomba. Using a bombe, it was possible to ignore the effect of the Enigma plugboard and consider the settings of its rotors alone, and eliminate most of them from consideration for each possible setting, a chain of logic deductions was implemented electrically and it was possible to detect when a contradiction had occurred and rule out that setting. Over 200 hundred bombes were in operation by the end of the war. In 1940, Turing solved the Naval Enigma system, which was more complex than the indicator systems used by the other services. Thanks to bombes, by early 1942 Bletchley Park were decoding about 39,000 intercepted messages each month, rising subsequently to over 84,000 messages a month. Turing's work on the version of Enigma used by the German Navy was vital to the battle for supremacy in the North Atlantic. He also contributed to the attack on the cyphers known as " Fish." Based on binary teleprinter code, Fish was used during the latter part of the war in preference to morse-based Enigma for the high-level signals, for example messages from Hitler and members of the German High Command. It is estimated that the work of Bletchley Park shortened the war in Europe by at least two years. Turing received the Order of the British Empire for the part he played. He became involved in discussions on the contrasts and similarities between machine and brains. Turing's view expressed with great force and wit, was those who saw an unbridgeable gap between the two to say just where the difference lay. In 1950 he published computing machinery and intelligence in Mind. It is another remarkable work from his brilliantly inventive mind which seemed to foresee the questions which would arise as computers developed. He studied problems which today lie at the heart of artificial intelligence. It was in this 1950 paper that he proposed the Turing Test which is still today the test people apply in attempting to answer whether a computer can be intelligent. In 2002, a BBC popular poll placed Turing as the 21st Great Britain of all time. Alan Turing died in 1954; the inquest found he had committed suicide by eating an apple laced with cyanide. He was cremated at Woking, Surrey, England.

Bio by: s.canning


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  • Maintained by: Find A Grave
  • Originally Created by: s.canning
  • Added: 10 Dec 2005
  • Find A Grave Memorial 12651680
  • Find A Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Alan Mathison Turing (23 Jun 1912–7 Jun 1954), Find A Grave Memorial no. 12651680, citing Woking Crematorium, Woking, Woking Borough, Surrey, England ; Maintained by Find A Grave .