Alan Turing

Andrew Hodges

It is just a slight exaggeration to say that the British mathematician Alan Turing (1912-1954) saved the Allies from the Nazis, invented the pc and synthetic intelligence, and anticipated homosexual liberation by decades–all earlier than his suicide at age forty-one. This traditional biography of the founding father of pc science, reissued on the centenary of his beginning with a considerable new preface by the writer, is the definitive account of a unprecedented thoughts and life. A gripping story of arithmetic, computer systems, cryptography, and gay persecution, Andrew Hodges’s acclaimed guide captures each the internal and outer drama of Turing’s life.

Hodges tells how Turing’s revolutionary thought of 1936–the idea of a common machine–laid the inspiration for the trendy pc and the way Turing introduced the thought to sensible realization in 1945 together with his digital design. The guide additionally tells how this work was instantly associated to Turing’s main position in breaking the German Enigma ciphers throughout World Struggle II, a scientific triumph that was crucial to Allied victory within the Atlantic. On the similar time, that is the tragic story of a person who, regardless of his wartime service, was ultimately arrested, stripped of his safety clearance, and compelled to endure a humiliating therapy program–all for attempting to reside truthfully in a society that outlined homosexuality as against the law.