“Enigma’s ‘forgotten genius’ . . . [the] story of Alan Turing’s spymaster boss who led the team that cracked Hitler’s WWII codes” (Daily Mail). Th

West traces the origins of British signals intelligence and details developments up to the present. Annotation copyrighted by Book News, Inc., Portland, OR

The story of the World War 2 de-coders of Bletchley Park continues to fascinate. How did Mair Thomas, a musician brought up in the Welsh valleys, find herself i

December, 1932 In the bathroom of a Belgian hotel, a French spymaster photographs top-secret documents – the operating instructions of the cipher machine, Eni