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Gordon Welchman

ISBN 10 : 9781473834637
ISBN 13 : 1473834635

A magnificent biography which finally provides recognition to one of Bletchley's and Britain's lost heroes.' Michael Smith??The Official Secrets Act and the passing of time have pr..


The Hut Six Story

ISBN 10 : 0947712348
ISBN 13 : 9780947712341

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Introduction To Algebraic Geometry

ISBN 10 : 9781316601808
ISBN 13 : 1316601803

Originally published in 1950, this textbook studies projective geometry and provides a solid introduction to similar studies in space of more than two dimensions...


The Sigint Secrets

ISBN 10 : 0688095151
ISBN 13 : 9780688095154

Traces the history of British signals intelligence and the British Government Communications Headquarters, and discusses spying techniques..



My Secret Life In Hut Six

ISBN 10 : 9780745956657
ISBN 13 : 0745956653

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


Secret Days

ISBN 10 : 1848326629
ISBN 13 : 9781848326620

'Briggs is an engaging and amiable guide though the mysteries of wartime cryptography . . . a fascinating account of an outstanding young man and his time at a quite remarkable ins..