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Joan Clarke — Spudgun67 · CC BY-SA 4.0 · Source

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Joan Clarke

Joan Elisabeth Lowther Murray was an English cryptanalyst and numismatist who worked as a code-breaker at Bletchley Park during the Second World War. Although she did not personally seek the spotlight, her role in the Enigma project that decrypted the German secret communications earned her awards and citations, such as appointment as a Member of the Order of the British Empire (MBE), in 1946.

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science · English cryptanalyst (1917–1996) · cryptanalyst · mathematician · computer scientist · numismatist · also Joan Clarke, Joan Clarke Murray, Joan Elisabeth Lowther Clarke, Joan Elisabeth Lowther Murray, Joan Elisabeth Lowther Clarke Murray, Joan Murray

Born 24 June 1917 · Died 4 September 1996 · Q15990084

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Jan 1992Quote
But although it was a surprise, I really didn’t hesitate in saying yes, and then he knelt by my chair and kissed me, though we didn’t have very much physical contact.
85%The GuardianSource Permalink
Jun 1947Award
Awarded Member of the Order of the British Empire (1947).
84%WikipediaSource Permalink

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2026· 1 entry

Aug 22, 2026Documented record75% confidence

The Guardian: Enciso shines bright for Ipswich as Emersonn and Clarke sink Sunderland

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2019· 1 entry

Jan 1, 2019Documented record79% confidence

Published “Reflecting on reflexive thematic analysis” in Qualitative Research in Sport, Exercise and Health — cited 16,620 times.

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2015· 3 entries

Jan 1, 2015Documented record79% confidence

Published “A global reference for human genetic variation” in Nature — cited 17,889 times.

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Jan 1, 2015Documented record79% confidence

Published “Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015: elaboration and explanation” in BMJ — cited 10,342 times.

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Jan 1, 2015Documented record79% confidence

Published “Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement” in Systematic Reviews — cited 21,191 times.

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2009· 3 entries

Jan 1, 2009Documented record79% confidence

Published “The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration” in PLoS Medicine — cited 12,567 times.

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Jan 1, 2009Documented record79% confidence

Published “The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration” in Journal of Clinical Epidemiology — cited 9,463 times.

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Jan 1, 2009Documented record79% confidence

Published “The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration” in BMJ — cited 15,380 times.

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2006· 1 entry

Jan 1, 2006Documented record79% confidence

Published “Using thematic analysis in psychology” in Qualitative Research in Psychology — cited 154,203 times.

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1996· 2 entries

Sep 4, 1996Documented record86% confidence

Died 1996-09-04.

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Text from Wikipedia, available under CC BY-SA 4.0.

#wikidata
#death

1996Source gives the year onlyDocumented record66% confidence

A copy was released to the National Archives and Records Administration

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#event

1993· 1 entry

Jan 1, 1993Documented record79% confidence

Published “Non‐parametric multivariate analyses of changes in community structure” in Australian Journal of Ecology — cited 11,394 times.

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1992· 1 entry

Jan 1, 1992Documented record85% confidence

“But although it was a surprise, I really didn’t hesitate in saying yes, and then he knelt by my chair and kissed me, though we didn’t have very much physical contact.”

The GuardianTrusted source1 sourceLive source Archived

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#corroborated

1986· 2 entries

1986Source gives the year onlyDocumented record66% confidence

Her research was recognised by the British Numismatic Society when she was awarded the Sanford Saltus Gold Medal

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1986Source gives the year onlyDocumented record70% confidence

Clarke moved to Headington, Oxfordshire, where she continued her research into coinage

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1962· 1 entry

1962Source gives the year onlyDocumented record70% confidence

Returned to work at GCHQ, where Clarke would work until retiring in 1977 at the age of 60

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1947· 2 entries

Jun 15, 1947Documented record84% confidence

Awarded Member of the Order of the British Empire (1947).

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#wikidata
#award
#achievement

1947Source gives the year onlyDocumented record66% confidence

Met Lieutenant-Colonel John Kenneth Ronald Murray, a retired army officer who had served in India

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1944· 1 entry

1944Source gives the year onlyDocumented record66% confidence

Although she was prevented from progressing because she was female, and she was paid less than the men

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1942· 1 entry

1942Source gives the year onlyDocumented record66% confidence

Which stymied Hut 8's decryption efforts and led to German U-boats successfully attacking Allied shipping convoys again

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1941· 1 entry

1941Source gives the year onlyDocumented record66% confidence

Trawlers were captured as well as their cipher equipment and codes

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1940· 1 entry

Jan 1, 1940Documented record84% confidence

Studied at Newnham College (1936–1940).

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#education

1936· 1 entry

Jan 1, 1936Documented record84% confidence

Studied at Dulwich College (1936).

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1917· 1 entry

Jun 24, 1917Documented record86% confidence

Born 1917-06-24.

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