William Kahan

1933 - Today

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William "Velvel" Morton Kahan (born June 5, 1933) is a Canadian mathematician and computer scientist, who received the Turing Award in 1989 for "his fundamental contributions to numerical analysis", was named an ACM Fellow in 1994, and inducted into the National Academy of Engineering in 2005. Read more on Wikipedia

Since 2007, the English Wikipedia page of William Kahan has received more than 115,549 page views. His biography is available in 26 different languages on Wikipedia. William Kahan is the 648th most popular mathematician (down from 557th in 2019), the 318th most popular biography from Canada (down from 214th in 2019) and the 6th most popular Canadian Mathematician.

Memorability Metrics

  • 120k

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  • 58.96

    Historical Popularity Index (HPI)

  • 26

    Languages Editions (L)

  • 4.24

    Effective Languages (L*)

  • 3.45

    Coefficient of Variation (CV)

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Among mathematicians, William Kahan ranks 648 out of 828Before him are Peter Tait, Yuri Matiyasevich, Eduard Čech, Giuseppe Vitali, Pierre-Louis Lions, and Otto Toeplitz. After him are Louis J. Mordell, Vera T. Sós, James Whitbread Lee Glaisher, Henry Thomas Colebrooke, William Brouncker, 2nd Viscount Brouncker, and Mark Krein.

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Among people born in 1933, William Kahan ranks 300Before him are Valentina Rastvorova, Viktor Kapitonov, Maurizio Arena, René Felber, Severino Poletto, and Pedro Cubilla. After him are Harve Presnell, Henry Hartsfield, Michael Frayn, Arnold Koller, Antón García Abril, and Jiří Tichý.

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In Canada

Among people born in Canada, William Kahan ranks 318 out of 1,130Before him are R. B. Bennett (1870), Linda Thorson (1947), Frances Bay (1919), Steven Erikson (1959), Marie-Josée Croze (1970), and Corey Haim (1971). After him are Duncan McNaughton (1910), Bob Rock (1954), Lochlyn Munro (1966), Kelly Rowan (1965), Robert Joy (1951), and Jean-Marc Vallée (1963).


Among mathematicians born in Canada, William Kahan ranks 6Before him are John Charles Fields (1863), Simon Newcomb (1835), Robert Langlands (1936), Louis Nirenberg (1925), and Edward Routh (1831). After him are Cathleen Synge Morawetz (1923), Irving Kaplansky (1917), and Manjul Bhargava (1974).