Stanley Skewes

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Skewes (left) in Zürich 1932
Ms. Skewes (left, foreground) accompanied Stanley Skewes at the ICM, Zürich 1932.

Stanley Skewes (/skjz/; 1899–1988) was a South African mathematician, best known for his discovery of the Skewes's number in 1933. He was one of John Edensor Littlewood's students at Cambridge University.[1]

He received his PhD at Cambridge in 1938 for his discovery of the first Skewes's number.[1] He discovered the second Skewes's number in 1955.[2][self-published source]


  • Skewes, S. (1933). "On the difference π(x) − Li(x) (I)". Journal of the London Mathematical Society. 8 (4): 277–283. doi:10.1112/jlms/s1-8.4.277. Archived May 19, 2007, at the Wayback Machine.


  1. ^ a b Peter Borwein (2008). The Riemann Hypothesis: A Resource for the Aficionado and Virtuoso Alike. Springer Science & Business Media. p. 375. ISBN 978-0-387-72125-5.
  2. ^ Igor Ushakov (2007). Histories of Scientific Insights. pp. 235–. ISBN 978-1-4303-2849-0.