U.K. finally pardons Alan Turing, war hero punished for his sexuality 49074
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A four-rotor Enigma machine is shown, once used by the crews of German U-boats in World War II to send coded messages, which British World War II code-breaker mathematician Alan Turing was instrumental in breaking, and which is widely thought to have been a turning point in the war. - high-definition photo for free download.
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