Man Who Broke 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.
- Författare
- Ronald Clark
- ISBN
- 9781448206193
- Språk
- engelska
- Utgivningsdatum
- 2011-10-28
- Förlag
- Bloomsbury Publishing
- Sidor
- 240

