Codebreakers

Bletchley Park was arguably the most successful intelligence agency in world history, the top secret workplace of the remarkable people who cracked Germany's vaunted Enigma Code. Almost to the end of the war, the Germans had firm faith in the Enigma ciphering machine, but in fact the codebreakers were deciphering nearly 4,000 German transmissions daily by 1942. Indeed, Winston Churchill hailed the work of Bletchley Park as the `secret weapon' that won the
war.

With anecdotes and descriptions, this is an account of daily life at Government Communications Headquarters, Bletchley Park, the most successful intelligence agency in history.

Anyone interested in the Second World War will sit up all night, and chess players and puzzle-solvers will be captivated by the later chapters.

Autorentext
Sir Harry Hinsley was formerly Master of St John's College and Professor of the History of International Relations in the University of Cambridge.

Alan Stripp is Director of Cambridge University Summer Schools on British Secret Services



Klappentext
The story of Bletchley Park, the successful intelligence operation that cracked Germany's Enigma Code. Photos.

Inhalt
Introduction. The Influence of Ultra in the Second World War
Part One. The Production of Ultra Intelligence
1: William Millward: Life in and out of Hut 3
2: Ralph Bennett: The Duty Officer, Hut 3
3: Edward Thomas: A naval officer in Hut 3
4: Alex Dakin: The Z Watch in Hut 4, Part I
5: Walter Eytan: The Z Watch in Hut 4, Part 2
6: Patrick Wilkinson: Italian naval decrypts
7: Vivienne Alford: Naval Section VI
8: Telford Taylor: Anglo-American signals intelligence co-operation
9: Robert M. Slusser: An American at Bletchley Park
10: F.H. Hinsley: Bletchley Park, the Admiralty, and naval Enigma
Part Two. Enigma
11 11: Alan Stripp: The Enigma Machine
12: Stuart Milner-Barry: Hut 6: Early Days
13: Derek Taunt: Hut 6: 1941-1945
14: Joan Murray: Hut 8 and naval Enigma, Part 1
15: Rolf Noskwith: Hut 8 and naval Enigma, Part 2
16: Peter Twinn: The Abwehr Enigma
17: Diana Payne: The bombes
Part Three. Fish
18: F.H. Hinsley: An Introduction to Fish
19: Jack Good: Enigma and Fish
20: Ken Halton: The Tunny Machine
21: Operation Tunny
Part Four. Field ciphers and tactical codes
22: Henry Dryden: Recollections of Bletchley Park, France, and Cairo
23: Noel Currer-Briggs: Army Ultra's Poor Relations
24: Christopher Morris: Navy Ultra Poor Relations
25: Peter Gray Lucas: Tactical signals of the German Airforce
Part Five. Japanese codes
26: Michael Loewe: Japanese naval codes
27: Hugh Denham: Bedford-Bletchley-Kilindini-Colombo
28: Maurice Wiles: Japanese military codes
29: Alan Stripp: Japanese Army Air Force codes at Bletchley Park and Delhi
30: Carmen Blacker: Recollections of temps perdu at Bletchley Park
Appendix. How the Bletchly Park buildings took shape

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