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Alan Turing

Alan Turing
OBE FRS
Alan Turing Aged 16.jpg
Turing aged 16
Born (1912-06-23)23 June 1912
Maida Vale, London, England, United Kingdom
Died 7 June 1954(1954-06-07) (aged 41)
Wilmslow, Cheshire, England, United Kingdom
Cyanide poisoning
Residence Wilmslow, Cheshire, England
Citizenship British
Fields Mathematics, cryptanalysis, logic, computer science, mathematical and theoretical biology
Institutions
Education Sherborne School
Alma mater (PhD)
Thesis Systems of Logic Based on Ordinals (1938)
Doctoral advisor Alonzo Church
Doctoral students Robin Gandy
Known for
Notable awards Smith's Prize (1936)
Signature

Alan Mathison Turing OBE FRS (/ˈtjʊərɪŋ/; 23 June 1912 – 7 June 1954) was an English computer scientist, mathematician, logician, cryptanalyst and theoretical biologist. He was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general purpose computer. Turing is widely considered to be the father of theoretical computer science and artificial intelligence.

During the Second World War, Turing worked for the Government Code and Cypher School (GC&CS) at Bletchley Park, Britain's codebreaking centre. For a time he led Hut 8, the section responsible for German naval cryptanalysis. He devised a number of techniques for speeding the breaking of German ciphers, including improvements to the pre-war Polish bombe method, an electromechanical machine that could find settings for the Enigma machine. Turing played a pivotal role in cracking intercepted coded messages that enabled the Allies to defeat the Nazis in many crucial engagements, including the Battle of the Atlantic; it has been estimated that this work shortened the war in Europe by more than two years and saved over fourteen million lives.


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