Harry Hinsley

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Sir Francis Harry Hinsley OBE (26 November 1918 – 16 February 1998) was an English historian and cryptanalyst. He worked at Bletchley Park during the Second World War and wrote widely on the history of international relations and British Intelligence during the Second World War. He was known as Harry Hinsley.

Early life

Hinsley was the son of a coal merchant. His mother Emma Hinsley (née Adey) was a school caretaker, and they lived in Birchills, in the parish of St Andrew's, Walsall. Harry was educated at Queen Mary's Grammar School, Walsall, and in 1937 won a scholarship to study history at St. John's College, Cambridge.[1] In October 1939, while still studying at St. John's, he was summoned to an interview with Alastair Denniston, head of the Government Code and Cypher School (GC&CS), and was thereby recruited to Bletchley Park's naval section in Hut 4.[2]

Bletchley Park

At Bletchley Park, Hinsley studied the external characteristics of intercepted German messages, a process sometimes termed "traffic analysis": from call signs, frequencies, times of interception and so forth, he was able to deduce a great deal of information about the structure of Nazi Germany's Kriegsmarine's communication networks, and even about the structure of the German navy itself.[3]

Hinsley helped initiate a programme of seizing Enigma machines and keys from German weather ships, such as the Lauenburg, thereby facilitating Bletchley Park's resumption of interrupted breaking of German Naval Enigma.

In late 1943, Hinsley was sent to liaise with the US Navy in Washington, with the result that an agreement was reached in January 1944 to co-operate in exchanging results on Japanese Naval signals[4]

Towards the end of the war, Hinsley, by then a key aide to Bletchley Park chief Edward Travis, was part of a committee which argued for a post-war intelligence agency that would combine both signals intelligence and human intelligence in a single organisation. In the event, the opposite occurred, with GC&CS becoming GCHQ.[5]

On 6 April 1946, Hinsley married Hilary Brett-Smith who had also worked at Bletchley Park, in Hut 8.[1]

Hinsley was awarded the OBE in 1946, and was knighted in 1985.[1]

On his death, Sir Harry Hinsley was cremated, and his family buried the ashes privately in Cambridge.

Career as a historian

After the war, Hinsley returned to St John's College and lectured in history, being in 1969 appointed Professor of the History of International Relations.[1] From 1979 to 1989 he was Master of St John's College and from 1981 to 1983 he was vice-chancellor of the University of Cambridge.[6]

In 1962, Hinsley published Power and the Pursuit of Peace, which is important as a study of early idealist thought about international relations.[7]

Hinsley edited the multi-volume official history British Intelligence in the Second World War, and argued that Enigma decryption had speeded Allied victory by 1–4 years while not fundamentally altering the war's outcome.

He was criticised by Marian Rejewski[8] and Gordon Welchman,[9] who took exception to inaccuracies in Hinsley's accounts of the history of Enigma decryption in the early volumes of his official history, including crucial errors in chronology. Subsequently a revised account of the Polish, French and British contribution was included in volume 3, part 2.

The volumes of British Intelligence in the Second World War edited by Hinsley and published by Her Majesty's Stationery Office (HMSO) London are:

  • Volume 1: Its Influence on Strategy and Operations, F. H. Hinsley with E. E. Thomas, C. F. G. Ransome and R. C. Knight, (1979, HMSO) ISBN 0-11-630933-4
  • Volume 2: Its Influence on Strategy and Operations, F. H. Hinsley with E. E. Thomas, C. F. G. Ransome and R. C. Knight, (1981, HMSO) ISBN 0-11-630934-2
  • Volume 3, Part 1: Its Influence on Strategy and Operations, F. H. Hinsley with E. E. Thomas, C. F. G. Ransome and R. C. Knight, (1984, HMSO) ISBN 0-11-630935-0
  • Volume 3, Part 2: Its Influence on Strategy and Operations, F. H. Hinsley with E. E. Thomas, C. A. G. Simkins, and C. F. G. Ransom, (1988, HMSO) ISBN 0-11-630940-7
    • Includes Bibliography (pages 961–974), and The Polish, French and British Contributions to the Breaking of the Enigma; a Revised Account (Appendix 30, pages 945–959).
  • Volume 4: Security and Counter-Intelligence, F. H. Hinsley and C. A. G. Simkins, (1990, HMSO) ISBN 0-11-630952-0
  • Abridged Version, F. H. Hinsley, (1993, HMSO) ISBN 0-11-630956-3 (& 1993, Cambridge University Press) ISBN 0-521-44304-0

Hinsley also co-edited (with Alan Stripp) and contributed to Codebreakers: The Inside Story of Bletchley Park, which contains personal accounts from those who worked at Bletchley Park.[10]

The Hinsley Memorial Lecture, an annual lecture on an international relations topic, is held every year at St John's College, Cambridge, in memory of Harry Hinsley.[11]

References

  1. ↑ 1.0 1.1 1.2 1.3 Longhorn, 2004
  2. ↑ Kahn, 1991, p. 120
  3. ↑ Kahn, 1991, p. 121
  4. ↑ Michael Smith, "How the British Broke Japan's Codes", p. 148 in Action this Day, edited by Ralph Erskine and Michael Smith, 2001
  5. ↑ Michael Smith, prefatory remarks to Richard J. Aldrich, "Cold War Codebreaking and Beyond: The Legacy of Bletchley Park", p. 403 in Action this Day, edited by Ralph Erskine and Michael Smith, 2001
  6. ↑ Cambridge Vice-Chancellors
  7. ↑ Cambridge: Cambridge University Press, 1962.
  8. ↑ Marian Rejewski, "Remarks on Appendix 1 to British Intelligence in the Second World War by F. H. Hinsley," translated by Christopher Kasparek, Cryptologia, vol. 6, no. 1 (January 1982), pp. 75–83.
  9. ↑ Gordon Welchman, "From Polish Bomba to British Bombe: the Birth of Ultra," Intelligence and National Security, vol. 1, no. 1, 1986, pp. 71–110.
  10. ↑ * Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ http://www.joh.cam.ac.uk/annual-lectures

Sources

  • Richard Langhorne, "Hinsley, Sir (Francis) Harry (1918–1998)", in the Oxford Dictionary of National Biography, 2004.
  • David Kahn, Seizing the Enigma, 1991, ISBN 0-395-42739-8.
  • Lua error in package.lua at line 80: module 'strict' not found. Updated and extended version of Action This Day: From Breaking of the Enigma Code to the Birth of the Modern Computer Bantam Press 2001

External links

Academic offices
Preceded by Master of St John's College, Cambridge
1979–1989		 Succeeded by
Robert Hinde
Preceded by Vice-Chancellor of the University of Cambridge
1981–1983		 Succeeded by
John Butterfield, Baron Butterfield
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