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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|Size: ||2.1 MB|
|Publisher: ||Bloomsbury Reader|
|Date published: || 2011|
|ISBN: ||9781448206193 (DRM-EPUB)|
|Read Aloud: ||not allowed|