
One of the greatest accomplishments in the history of cryptography occurred in 1940 when a Swedish mathematician broke the German code used for strategic military communications. This story has all the elements of a classic thriller: a desperate wartime situation; a moody and secretive mathematical genius with a talent for cryptography; and, a stunning mathematical feat, mysterious to this day. Arne Beurling, the man who inherited Einstein's office at Princeton's Institute for Advanced Study, was the figure who played this role at a crucial moment in world history. Though the cracking of the code from the Geheimschreiber (G-Schreiber) device is every bit as impressive as the breaking of the Enigma code by the Poles and English, this secret has been kept for over 50 years!Through the eyes of a former head of Sweden's signal intelligence organization, Bengt Beckman, the reader will learn about...
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En bok som är mycket ojämn. Vissa delar är riktigt spännande och man får en bra inblick i hur kodknäckandet i Sverige gick till under kriget. De delarna får en fyra i betyg. Sen verkar det som att det i slutet mest är sånt som "blev över", lite lösryckta händelser som blir på tok för osamanhängade. Så skippa sista tredjedelen!