Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's

NEW YORK, NY - APRIL 09: The 1942 56-page notebook belonging to codebreaker Alan Turing is displayed at Bonham's auction house on April 9, 2015 in New York City. The notebook, along with a working Enigma cipher machine that the math genius used, are to be auctioned on in New York on Monday. the notebook alone is expected to go for $1 million. Turing's life and work were recently brought to life in the 2014 blockbuster "The Imitation Game", which drew eight Oscar nominations. (Photo by Spencer Platt/Getty Images)