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Man Who Broke 'Purple': Life of the World's Greatest Cryptologist, William F.Friedman


Clark, Ronald W.
Man Who Broke 'Purple': Life of the World's Greatest Cryptologist, William F.Friedman
ISBN: 0297772791
Book Number: 54176
Littlehampton Book Services Ltd April 21, 1977 8vo hardcover 212pp index, b/w illus. very good / very good d/w - ex-lib. 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.
Keywords: Friedman William F Man Who Broke 'Purple' Life of the World's Greatest Cryptologist William F Friedman Clark Ronald W
Price: $12.00