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Cover image for book The Man Who Broke Purple

The Man Who Broke Purple

By:Ronald Clark
Publisher:Bloomsbury UK
Print ISBN:9781448206551
eText ISBN:9781448206193
Edition:1
Copyright:2011
Format:Reflowable

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Purple

The Code used by the Japanese prior to the bombing of Pearl Harbour . . . Did the Americans have advance information of the devastation to come? Had they cracked
Purple . . ?

Colonel William Friedman was 'the man who broke purple': this fascinating new biography of the world's greatest cryptographer reveals many new facts of the intriguing 'secret war' carried on by Intelligence departments in many countries.

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