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Download Alan Turing: The Enigma: The Book That Inspired the Film by Andrew Hodges PDF

By Andrew Hodges

It's only a mild exaggeration to assert that the British mathematician Alan Turing (1912-1954) kept the Allies from the Nazis, invented the pc and synthetic intelligence, and expected homosexual liberation through decades--all sooner than his suicide at age 41. This ny instances bestselling biography of the founding father of laptop technology, with a brand new preface by means of the writer that addresses Turing’s royal pardon in 2013, is the definitive account of a unprecedented brain and life.
shooting either the interior and outer drama of Turing’s existence, Andrew Hodges tells how Turing’s innovative suggestion of 1936--the notion of a common machine--laid the root for the fashionable laptop and the way Turing introduced the belief to functional recognition in 1945 along with his digital layout. The publication additionally tells how this paintings was once at once regarding Turing’s top position in breaking the German Enigma ciphers in the course of international struggle II, a systematic triumph that was once severe to Allied victory within the Atlantic. even as, this is often the tragic account of a guy who, regardless of his wartime carrier, was once finally arrested, stripped of his defense clearance, and compelled to suffer a humiliating therapy program--all for attempting to stay truthfully in a society that outlined homosexuality as a crime.
The notion for a big movie starring Benedict Cumberbatch and Keira Knightley, Alan Turing: The Enigma is a gripping tale of arithmetic, desktops, cryptography, and gay persecution.

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Additional info for Alan Turing: The Enigma: The Book That Inspired the Film "The Imitation Game"

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Alan Garner painfully recalls seeing Turing for the last time in 1953, as a fellow passenger on the bus from Wilmslow to Manchester. Being with his girlfriend, Garner found it too difficult to say anything appropriate and so he pretended not to have noticed his presence. This incident, so redolent of the fiction and film of final teenage years, was soon followed by Garner’s departure to National Service, during which he heard of Turing’s death. 4 Alan Turing would naturally have delighted to see a lad from a very ordinary Cheshire village background showing such curiosity and intellectual ambition.

But once the rules were agreed then they must be followed to the bitter end, without bending or cheating. His Nanny found the same when playing with him:7 The thing that stands out most in my mind was his integrity and his intelligence for a child so young as he then was, also you couldn’t camouflage anything from him. I remember one day Alan and I playing together. I played so that he should win, but he spotted it. There was commotion for a few minutes.  . In February 1919, Mr Turing returned after three years’ 14 A lan T ur ing: T h e Enigma separation.

But despite the earnest intention of the participants not to raise professional questions, it proved impossible to get completely away from Enigma. Once again, there was talk of the errors committed by German operators and of the perforated sheets, now machine- rather than handmade, which the British sent in series from Bletchley to the Poles working at Gretz-Armainvillers, outside Paris. The inventor of the perforated sheets, Zygalski, wondered why their measurements were so peculiar, with each little square being about eight and a half millimetres on a side.

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