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2014 film directed by Morten Tyldum. Showing the World War II story of Alan Turing at Bletchley Park attempting to break the German Enigma code.
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Why was a newspaper crossword puzzle used to find prospective code-breakers?
There are excellent answers above but I would still like to add a couple of excerpts from the book The Code Book by Simon Singh:
"As crossword addicts know, when a word is partly completed it is oft …