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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.
- Format: Pocket/Paperback
- ISBN: 9781448206551
- Språk: Engelska
- Antal sidor: 240
- Utgivningsdatum: 2013-09-26
- Förlag: Bloomsbury Reader