Alan Turing's Notebook Sells for More Than $1 Million at Auction

A handwritten notebook by British World War II code-breaking genius Alan Turing, who was the subject of the 2014 Oscar-winning film The Imitation Game, brought more than $1 million at auction on Monday.
The 56-page manuscript was written at the time the mathematician and computer science pioneer was working to break the seemingly unbreakable Enigma codes used by the Germans throughout the war. Bonhams auction house said it contains his complex mathematical and computer science notations and is believed to be the only extensive Turing manuscript known to exist.
The sale price was $1,025,000.
The Imitation Game, starring Benedict Cumberbatch in the role of Turing, won Best Adapted Screenplay at this year's Academy Awards.
Turing's notebook dates from 1942, when he and his team of cryptanalysts were at Britain's World War II code and cypher school Bletchley Park. In one entry, Turing wrote about a complex calculus notation.



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