He introduces key figures on both sides of the battle including: Arthur Scherbius, who gave the Germans a boost in the race between codemaker and codebreaker and Polish mathematician Marian Rejewski, who reconstructed the Enigma keys.
David Kahn is universally regarded as the dean of intelligence historians. Recounting the desperate efforts to... Læs mere
One the best and most complete accounts of cryptography yet published released in paperback for the first time