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NEW YORK, UNITED STATES - APRIL 13: A page from the notebook of codebreaker Alan Turing is seen at Bonham's auction house during an auction in New York, on April 13, 2015. The paper, in which he details his work on the foundations of mathematical notation and computer science,... Anadolu Agency/Getty Images


 
Alan Turing's notebook sold more than $1m at New York auction
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's
 
Handwritten Alan Turing Manuscript To Be Auctioned At Bonham's