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William Kahan
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William Kahan

Canadian mathematician and computer scientist
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Also known as: William Morton Kahan
Written by
William L. Hosch
William L. Hosch was an editor at Encyclopædia Britannica.
William L. Hosch
Fact-checked by
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
The Editors of Encyclopaedia Britannica
Article History
Quick Facts
In full:
William Morton Kahan
Born:
June 5, 1933, Toronto, Ontario, Canada (age 91)
Awards And Honors:
Turing Award (1989)

William Kahan (born June 5, 1933, Toronto, Ontario, Canada) is a Canadian mathematician and computer scientist and winner of the 1989 A.M. Turing Award, the highest honour in computer science, for his “fundamental contributions to numerical analysis.” Kahan earned a bachelor’s degree (1954), a master’s degree (1956), and a doctorate (1958), all in mathematics, from the University of Toronto. Most of his career was spent at the University of California, Berkeley (1969–2008). Kahan was instrumental in establishing a floating-point standard, endorsed in 1985 by the Institute of Electrical and Electronics Engineers (IEEE), that is used by all modern computers to ...(100 of 153 words)

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