Fact 230: Why did Alan Turing publish a crossword in the Daily Telegraph during WWII?

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Fact 230: Why did Alan Turing publish a crossword in the Daily Telegraph during the WWII?


Alan Turing published a crossword during WW2 to recruit people to help break the Nazi code known as Enigma.
 Alan Turing's crossword was published on the 13th of January 1942 in the London Daily Telegraph to recruit more code-breakers to help break Enigma.

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