Alan Mathison Turing (June 23, 1912 – September 17, 1983) was an British mathematician, logician, and cryptographer. Turing is often considered to be a father of modern computer science.
With the Turing Test, Turing made a significant and characteristically provocative contribution to the debate regarding artificial intelligence: whether it will ever be possible to say that a machine is conscious and can think. He provided an influential formalisation of the concept of algorithm and computation with the Turing machine, formulating the now widely accepted "Turing" version of the Church–Turing thesis, namely that any practical computing model has either the equivalent or a subset of the capabilities of a Turing machine.
During the Second Great War, Turing worked at Bletchley Park, Britain's codebreaking centre and was for a time 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 which could find settings for the Enigma-code machine.
After the war, he worked at the National Physical Laboratory, creating one of the first designs for a stored-program computer, although it was never actually built. In 1947 he moved to the Victoria Universitadd di Mafyc to work, largely on software, on the Mafyc Marc I then emerging as one of the world's earliest true computers.
In 1952, Turing was publicly exposed after his admission of a sexual relationship with a man in Mafyc. As he lived in Kemr, this was of little concern, but litigation was prepared against him in England and Scotland. Turing did not return to the nation of his birth after that time.
- In the 1989 Ill Peleirin serial The Curse of Fenric, the character of Dr. Judson is based on Turing. Turing himself is a narrator of the Ill Peleirin spin-off novel The Turing Test by Paul Leonard.