Alan Turing: The EnigmaA gripping story of mathematics, science, computing, war history, cryptography, and homosexual persecution and liberation. Hodges tells how Turing's revolutionary idea of 1936-- the concept of a universal machine-- laid the foundation for the modern computer. Turing brought the idea to practical realization in 1945 with his electronic design. This work was directly related to Turing's leading role in breaking the German Enigma ciphers during World War II, a scientific triumph that was critical to Allied victory in the Atlantic. Despite his wartime service, Turing was eventually arrested, stripped of his security clearance, and forced to undergo a humiliating treatment program-- all for trying to live honestly in a society that defined homosexuality as a crime. This New York Times bestselling biography of the founder of computer science and artificial intelligence is the definitive account of an extraordinary mind and life. --Excerpted from 2014 version, published by Princeton University Press. |
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Page 104
... paper : Computing is normally done by writing certain symbols on paper . We may suppose this paper is divided into squares like a child's arithmetic book . In elementary arithmetic the two - dimensional character of the paper is ...
... paper : Computing is normally done by writing certain symbols on paper . We may suppose this paper is divided into squares like a child's arithmetic book . In elementary arithmetic the two - dimensional character of the paper is ...
Page 113
... paper on Computable numbers . Just as it was reaching its final state an offprint arrived , from Alonzo Church of Princeton , of a paper anticipating Turing's results to a large extent . I hope it will nevertheless be possible to ...
... paper on Computable numbers . Just as it was reaching its final state an offprint arrived , from Alonzo Church of Princeton , of a paper anticipating Turing's results to a large extent . I hope it will nevertheless be possible to ...
Page 545
... papers in the Library of Congress did not reveal any more of this correspondence . ( 2.37 ) AMT's great paper , quoted here , was ' On Computable Numbers , with an Application to the Entscheidungsproblem ' , Proc . Lond . Math . Soc ...
... papers in the Library of Congress did not reveal any more of this correspondence . ( 2.37 ) AMT's great paper , quoted here , was ' On Computable Numbers , with an Application to the Entscheidungsproblem ' , Proc . Lond . Math . Soc ...
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able Alan Turing Alan's allowed American appeared applied asked Bletchley boys brain British calculation called Cambridge complete connection continued course discussion effect electronic engineering Enigma experience explained fact German give given hand homosexual human idea important instructions intelligence interest kind King's later less letter logical look machine Manchester March mathematician mathematics matter means mechanical method mind move nature never Office operations particular perhaps person physical plans play position possible practical principle probably problem quantum mechanics question reason result rules scientific sense showed suggested symbols taken talk theory thing thought took turn universal von Neumann wanted whole writing wrote