Alan Turing, British mathematician - Stock Image - H420/0226 - Science Photo Library

Alan Turing (1912-54), British mathematician. Turing was educated at Cambridge and Princeton. BILL SANDERSON/SCIENCE PHOTO LIBRARY

Alan Turing, British mathematician - Stock Image - C023/7594 - Science Photo Library

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Alan Turing, English Mathematician Stock Photo - Alamy

Alan Turing, British mathematician - Stock Image - C029/3560 - Science Photo Library

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