who was he
Alan Mathison Turing, OBE, FRS ( /ˈtjʊərɪŋ/ tewr-ing; 23 June 1912 – 7 June 1954), was a British mathematician, logician,cryptanalyst, and computer scientist. He was highly influential in the development of computer science, giving a formalisation of the concepts of "algorithm" and "computation" with the Turing machine, which can be considered a model of a general purpose computer.
what vdid he invevent
During World War II, Turing worked for the Government Code and Cypher School (GC&CS) at Bletchley Park, Britain's codebreakingcentre. For a time he was head of Hut 8, the section responsible for German naval cryptanalysis. He devised a number of techniques for breaking German ciphers, including the method of the bombe, an electromechanical machine that could find settings for the Enigma machine.