Lot 224: Immensely influential British mathematician, cryptanalyst, and computer scientist (1912–1954) considered the father of theoretical computer science and artificial intelligence. Rare fountain pen signature, "A. M. Turing," on an off-white 7.25 x 10 sheet removed from a guest register. In fine condition. Turing first made his name as a code-breaker for Great Britain during World War II, where he devised methods for cracking German ciphers, including contributions toward defeating the Enigma machine; Winston Churchill said that Turing made the single biggest contribution to Allied victory in the war against Nazi Germany. In his work on artificial intelligence he developed the 'Turing test,' an attempt to define the standard by which a machine could be called 'intelligent.' Certainly included in the unofficial top three heroes of the world's computer community, Turing frequently appears on Times's list of the greatest names of the 20th century. Due to an early death at 42 and relative obscurity during life, his autograph is virtually unobtainable; only two examples have come to market. An exceedingly rare autograph of immense historical importance to our technology-driven existence.
RR Auction's Fine Autographs and Artifacts Auction 456
Wednesday, 15th July 2015
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