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φυσικό πρόσωπο
Herbert Westren Turnbull (31 August 1885 – 4 May 1961) was an English mathematician. From 1921 to 1950 he was Regius Professor of Mathematics at the University of St Andrews.
Wikipedia contributors. "Herbert Turnbull." Wikipedia, The Free Encyclopedia, 11/17/2024, 2:12:55 PM. Web. 11/19/2024, 11:42:19 AM.