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'''Sir Arthur Wilfred 'Bill' Bonsall''' [[Order of St Michael and St George|KCMG]] [[Commander of the Most Excellent Order of the British Empire|CBE]] (1917-2014) was a former director of the British [[signals intelligence]] agency, [[GCHQ]], a post he held from 1973 to 1978.
'''Sir Arthur Wilfred''' "'''Bill'''" '''Bonsall''' {{post-nominals|country=GBR|sep=,|KCMG|CBE}} (25 June 1917 &ndash; 26 November 2014)<ref>{{cite news|url=https://www.bbc.co.uk/news/uk-england-gloucestershire-30278242|title=Sir Arthur Bonsall, former GCHQ director, dies aged 97|publisher=BBC News|date=1 December 2014}}</ref> was director of the British [[signals intelligence]] agency, [[GCHQ]]—a post he held from 1973 to 1978.

==Early life==
Bonsall was born in [[Middlesbrough]] on 25 June 1917, the eldest son of Wilfred C Bonsall and Sarah Frank.<ref name="st-and.ac.uk">{{cite web|url=http://www-history.mcs.st-and.ac.uk/Biographies/Bonsall.html|title=Bonsall biography|author=|date=|website=www-history.mcs.st-and.ac.uk|accessdate=3 November 2017}}</ref>

==Career==
==Career==
Educated at [[Bishop's Stortford College]], Bonsall went on to study modern languages at [[St Catharine's College, Cambridge]]<ref>''Burke's Peerage''</ref> before joining the [[Government Code and Cypher School]] at [[Bletchley Park]].<ref name="pp">James Bamford, ''The Puzzle Palace: A Report on America's Most Secret Agency'', Penguin, 1983</ref>
Educated at [[Bishop's Stortford College]], Bonsall went on to study modern languages at [[St Catharine's College, Cambridge]]<ref>''Burke's Peerage''</ref> before joining the [[Government Code and Cypher School]] at [[Bletchley Park]].<ref name="pp">James Bamford, ''The Puzzle Palace: A Report on America's Most Secret Agency'', Penguin, 1983</ref>


From 1940 Bonsall served in the German Air Section under [[Josh Cooper (cryptographer)|Josh Cooper]], studying the [[Luftwaffe]]. In 1942 he helped to create a series of daily reports known as the BMP (from the initials of its three co-creators, Bonsall, Moyes and Prior). They were based primarily on Luftwaffe radio-telephony and low-grade codes and were issued at Secret Pearl level. Later reports included information from Luftwaffe [[Enigma machine|Enigma]] traffic and were issued at Top Secret Ultra level. They dealt with the operations of the Luftwaffe defensive organisation and assisted the Allied Air Commands to design their tactics.<ref>[http://www.bletchleypark.org.uk/content/archive/mar1944.rhtm March 1944: Invasion postponed] Bletchley Park Archives</ref>
From 1940, Bonsall served in the German Air Section under [[Josh Cooper (cryptographer)|Josh Cooper]], studying the [[Luftwaffe]]. In 1942 he helped to create a series of daily reports known as the BMP (from the initials of its three co-creators, Bonsall, Moyes and Prior). They were based primarily on Luftwaffe radio-telephony and low-grade codes and were issued at Secret Pearl level. Later reports included information from Luftwaffe [[Enigma machine|Enigma]] traffic and were issued at Top Secret Ultra level. They dealt with the operations of the Luftwaffe defensive organisation and assisted the Allied Air Commands to design their tactics.<ref>[http://www.bletchleypark.org.uk/content/archive/mar1944.rhtm March 1944: Invasion postponed] Bletchley Park Archives</ref>


Bonsall stayed on with the organisation, which became [[GCHQ]] after the war, and served as its director from December 1973 to 1978. He was knighted in 1977. After retiring he served for a time as a tax commissioner. In later retirement he was concerned to preserve a more accurate record of the non-Enigma side of Bletchley Park, especially the work on the Luftwaffe. The first outcome of this was a privately-printed family memoir entitled 'Another Bit of Bletchley', later developed into a booklet of the same title, no. 17 in the Bletchley Park Trust Report series. In 2007 he presented a paper to a research group in Oxford entitled ''[[Bletchley Park]] and the RAF Y Service, some recollections.''<ref>{{cite web|title=Bletchley Park and the RAF Y Service, some recollections|url=http://www.nuffield.ox.ac.uk/Research/OIG/Documents/bonsallpaperfinal.pdf|work=Oxford Intelligence Group|publisher=Nuffield College, University of Oxford|author=Sir Arthur Bonsall|date=2007-06-07}}</ref>. This was followed in 2011 by another report, no. 21 in the BP Trust series, entitled 'An Uphill Struggle', <ref>BP Trust Report No 21, Aug 2011, ISBN 978-1-906723-21-7</ref> The 'struggle' was the internal battle to overcome Air Ministry failure to understand the value to RAF Commands of tactically-derived signals intelligence. He collaborated closely with Wg Cdr John Stubbington in the latter's 2012 account of BMP Reports by the German Air Section <ref>BP Trust Repport No 29, March 2012, ISBN 978-1-906723-29-3</ref>.
Bonsall stayed on with the organisation, which became [[GCHQ]] after the war, and served as its director from December 1973 to 1978. He was knighted in 1977. After retirement he served for a period as a tax commissioner. In later retirement he was concerned to preserve a more accurate record of the non-Enigma side of Bletchley Park, especially the work of the German Air Section. The first outcome was a talk given to a Cheltenham [[Probus Clubs|Probus]] club, later developed into a privately printed family memoir entitled 'Another Bit of Bletchley'. In 2007 he presented a paper to a research group in Oxford on ''[[Bletchley Park]] and the RAF Y Service, some recollections.''<ref>{{cite web|title=Bletchley Park and the RAF Y Service, some recollections|url=http://www.nuffield.ox.ac.uk/Research/OIG/Documents/bonsallpaperfinal.pdf|work=Oxford Intelligence Group|publisher=Nuffield College, University of Oxford|author=Sir Arthur Bonsall|date=2007-06-07|access-date=2013-04-02|archive-url=https://web.archive.org/web/20141220103905/http://www.nuffield.ox.ac.uk/Research/OIG/Documents/bonsallpaperfinal.pdf|archive-date=2014-12-20|url-status=dead}} (Also published in the journal ''Intelligence and National Security'' Vol 23 Dec 2008 No 6, pp 827-841)</ref> A more formal version of 'Another Bit of Bletchley' was published as no. 17 in the Bletchley Park Trust Report series.<ref>September 2009; {{ISBN|978-1-906723-10-1}}</ref> This was followed in 2011 by another report, no. 21 in the same series, entitled 'An Uphill Struggle',<ref>BP Trust Report No 21, Aug 2011, {{ISBN|978-1-906723-21-7}}</ref> dealing with the internal battle to overcome Air Ministry failure to understand the value to RAF Commands of tactically derived signals intelligence. He collaborated closely with Wg Cdr John Stubbington in the latter's 2012 account of BMP reports by the German Air Section.<ref>BP Trust Report No 29, March 2012, {{ISBN|978-1-906723-29-3}}</ref>


In September 2013 he gave an interview about his career to the BBC.<ref name="BBC Interview">{{cite web | url=http://www.bbc.co.uk/news/uk-england-23878101 | title=Lifting the veil of secrecy on the intelligence service | publisher=BBC | date=8 September 2013 | accessdate=8 September 2013 | author=Steve Knibbs}}</ref>
In September 2013, he gave an interview about his career to the BBC.<ref name="BBC Interview">{{cite web | url=https://www.bbc.co.uk/news/uk-england-23878101 | title=Lifting the veil of secrecy on the intelligence service | publisher=BBC | date=8 September 2013 | accessdate=8 September 2013 | author=Steve Knibbs}}</ref>


==Family life==
==Personal life==
Bonsall was born in [[Middlesborough]] on 25 June 1917, the eldest son of Wilfred C Bonsall and Sarah Frank. At Bletchley Park he met and married (on 17 November 1941) Joan Wingfield, who was working in the Italian Naval Section. They had seven children. He died on 26 November 2014, in [[Cheltenham]]. His younger brother was [[Frank Bonsall]].<ref>[http://www-history.mcs.st-and.ac.uk/Biographies/Bonsall.html Obituary of Frank]</ref>
At Bletchley Park he met (and on 17 November 1941 married) Joan Wingfield, who was working in the Italian Naval Section. They had seven children. He died on 26 November 2014, in [[Cheltenham]]. His younger brother was [[Frank Bonsall]].<ref name="st-and.ac.uk"/>


==References==

==References==
{{reflist}}
{{reflist}}


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{{succession box |
before= Sir [[Leonard James Hooper|Leonard Hooper]] |
before= Sir [[Leonard Hooper]] |
title=Director of [[GCHQ]] |
title=Director of [[GCHQ]] |
years= December 1973 – November 1978|
years= December 1973 – November 1978|
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{{Persondata <!-- Metadata: see [[Wikipedia:Persondata]]. -->
| NAME = Bonsall, Bill
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = British intelligence director
| DATE OF BIRTH = 25 June 1917
| PLACE OF BIRTH =
| DATE OF DEATH =
| PLACE OF DEATH =
}}
{{DEFAULTSORT:Bonsall, Bill}}
{{DEFAULTSORT:Bonsall, Bill}}
[[Category:1917 births]]
[[Category:1917 births]]
[[Category:Living people]]
[[Category:2014 deaths]]
[[Category:Alumni of St Catharine's College, Cambridge]]
[[Category:Commanders of the Order of the British Empire]]
[[Category:Commanders of the Order of the British Empire]]
[[Category:Directors of the Government Communications Headquarters]]
[[Category:Directors of the Government Communications Headquarters]]
[[Category:Knights Commander of the Order of St Michael and St George]]
[[Category:Knights Commander of the Order of St Michael and St George]]
[[Category:People associated with Bletchley Park]]
[[Category:Bletchley Park people]]
[[Category:People educated at Bishop's Stortford College]]
[[Category:People educated at Bishop's Stortford College]]
[[Category:Alumni of St Catharine's College, Cambridge]]
[[Category:People from Cheltenham]]
[[Category:People from Middlesbrough]]


{{crypto-bio-stub}}

Latest revision as of 16:22, 12 September 2022

Sir Arthur Wilfred "Bill" Bonsall KCMG, CBE (25 June 1917 – 26 November 2014)[1] was director of the British signals intelligence agency, GCHQ—a post he held from 1973 to 1978.

Early life

[edit]

Bonsall was born in Middlesbrough on 25 June 1917, the eldest son of Wilfred C Bonsall and Sarah Frank.[2]

Career

[edit]

Educated at Bishop's Stortford College, Bonsall went on to study modern languages at St Catharine's College, Cambridge[3] before joining the Government Code and Cypher School at Bletchley Park.[4]

From 1940, Bonsall served in the German Air Section under Josh Cooper, studying the Luftwaffe. In 1942 he helped to create a series of daily reports known as the BMP (from the initials of its three co-creators, Bonsall, Moyes and Prior). They were based primarily on Luftwaffe radio-telephony and low-grade codes and were issued at Secret Pearl level. Later reports included information from Luftwaffe Enigma traffic and were issued at Top Secret Ultra level. They dealt with the operations of the Luftwaffe defensive organisation and assisted the Allied Air Commands to design their tactics.[5]

Bonsall stayed on with the organisation, which became GCHQ after the war, and served as its director from December 1973 to 1978. He was knighted in 1977. After retirement he served for a period as a tax commissioner. In later retirement he was concerned to preserve a more accurate record of the non-Enigma side of Bletchley Park, especially the work of the German Air Section. The first outcome was a talk given to a Cheltenham Probus club, later developed into a privately printed family memoir entitled 'Another Bit of Bletchley'. In 2007 he presented a paper to a research group in Oxford on Bletchley Park and the RAF Y Service, some recollections.[6] A more formal version of 'Another Bit of Bletchley' was published as no. 17 in the Bletchley Park Trust Report series.[7] This was followed in 2011 by another report, no. 21 in the same series, entitled 'An Uphill Struggle',[8] dealing with the internal battle to overcome Air Ministry failure to understand the value to RAF Commands of tactically derived signals intelligence. He collaborated closely with Wg Cdr John Stubbington in the latter's 2012 account of BMP reports by the German Air Section.[9]

In September 2013, he gave an interview about his career to the BBC.[10]

Personal life

[edit]

At Bletchley Park he met (and on 17 November 1941 married) Joan Wingfield, who was working in the Italian Naval Section. They had seven children. He died on 26 November 2014, in Cheltenham. His younger brother was Frank Bonsall.[2]

References

[edit]
  1. ^ "Sir Arthur Bonsall, former GCHQ director, dies aged 97". BBC News. 1 December 2014.
  2. ^ a b "Bonsall biography". www-history.mcs.st-and.ac.uk. Retrieved 3 November 2017.
  3. ^ Burke's Peerage
  4. ^ James Bamford, The Puzzle Palace: A Report on America's Most Secret Agency, Penguin, 1983
  5. ^ March 1944: Invasion postponed Bletchley Park Archives
  6. ^ Sir Arthur Bonsall (7 June 2007). "Bletchley Park and the RAF Y Service, some recollections" (PDF). Oxford Intelligence Group. Nuffield College, University of Oxford. Archived from the original (PDF) on 20 December 2014. Retrieved 2 April 2013. (Also published in the journal Intelligence and National Security Vol 23 Dec 2008 No 6, pp 827-841)
  7. ^ September 2009; ISBN 978-1-906723-10-1
  8. ^ BP Trust Report No 21, Aug 2011, ISBN 978-1-906723-21-7
  9. ^ BP Trust Report No 29, March 2012, ISBN 978-1-906723-29-3
  10. ^ Steve Knibbs (8 September 2013). "Lifting the veil of secrecy on the intelligence service". BBC. Retrieved 8 September 2013.
Government offices
Preceded by Director of GCHQ
December 1973 – November 1978
Succeeded by