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Joan Clarke

1917 - 1996

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Joan Elisabeth Lowther Murray, MBE (née Clarke; 24 June 1917 – 4 September 1996) was an English cryptanalyst and numismatist best known for her work as a code-breaker at Bletchley Park during the Second World War. Read more on Wikipedia

Since 2007, the English Wikipedia page of Joan Clarke has received more than 3,948,665 page views. Her biography is available in 22 different languages on Wikipedia (up from 20 in 2019). Joan Clarke is the 1,829th most popular politician (up from 2,903rd in 2019), the 418th most popular biography from United Kingdom (up from 682nd in 2019) and the 77th most popular British Politician.

Joan Clarke is most famous for being the woman who worked as a code breaker at Bletchley Park during World War II.

Memorability Metrics

  • 3.9M

    Page Views (PV)

  • 65.81

    Historical Popularity Index (HPI)

  • 22

    Languages Editions (L)

  • 9.79

    Effective Languages (L*)

  • 1.21

    Coefficient of Variation (CV)

Page views of Joan Clarkes by language


Among politicians, Joan Clarke ranks 1,829 out of 15,577Before her are Agesilaus II, Marozia, Emperor Zhongzong of Tang, Emperor Ruizong of Tang, Prince Edward, Duke of Kent and Strathearn, and Hong Xiuquan. After her are John Frederick I, Elector of Saxony, Songtsen Gampo, François Grimaldi, Karl Hermann Frank, James IV of Scotland, and Ernest, Duke of Austria.

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Among people born in 1917, Joan Clarke ranks 18Before her are Anthony Burgess, I. M. Pei, Robert Mitchum, Christian de Duve, Sidney Sheldon, and Dean Martin. After her are Kenan Evren, Nur Muhammad Taraki, Otto Günsche, Louis Zamperini, Rochus Misch, and Óscar Romero. Among people deceased in 1996, Joan Clarke ranks 19Before her are Babrak Karmal, René Lacoste, Paul Erdős, Frank Whittle, Tadeusz Reichstein, and Adolf Galland. After her are Gene Kelly, Solomon Asch, Silvio Piola, Sergiu Celibidache, Artur Axmann, and Marcel Carné.

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In United Kingdom

Among people born in United Kingdom, Joan Clarke ranks 418 out of 7,765Before her are David Lean (1908), James Parkinson (1755), Christopher Wren (1632), Edgar the Peaceful (943), Richard Branson (1950), and Prince Edward, Duke of Kent and Strathearn (1767). After her are Robbie Coltrane (1950), James IV of Scotland (1473), Donald Winnicott (1896), Edward the Martyr (962), Graham Hill (1929), and A. A. Milne (1882).

Among POLITICIANS In United Kingdom

Among politicians born in United Kingdom, Joan Clarke ranks 77Before her are Theresa May (1956), Boudica (33), Edward the Confessor (1003), Edward of Westminster, Prince of Wales (1453), Edgar the Peaceful (943), and Prince Edward, Duke of Kent and Strathearn (1767). After her are James IV of Scotland (1473), Edward the Martyr (962), Tony Blair (1953), Eadred (923), Alec Douglas-Home (1903), and James I of Scotland (1394).