Frank Bonsall
British mathematician (1920-2011)

Frank Featherstone Bonsall FRS (31 March 1920, Crouch End, London – 22 February 2011, Harrogate) was a British mathematician.
Personal life
Bonsall was born on 31 March 1920, the youngest son of Wilfred C Bonsall and Sarah Frank. His older brother was Arthur Bonsall. He married Gillian Patrick, a Somerville graduate, in 1947. Bonsall and his wife were keen hill-walkers. He wrote two articles for The Scottish Mountaineering Club on the definition of a Munro. After his retirement, Bonsall and his wife moved to Harrogate.
Career
Bonsall graduated from Bishop's Stortford College in 1938, and studied at Merton College, Oxford.
He served in World War II, in the Corps of Royal Engineers, and in India from 1944 to 1946.
He lectured at the University of Edinburgh from 1947 to 1948; was visiting associate professor at Oklahoma State University from 1950 to 1951; taught at Newcastle University, with Werner Wolfgang Rogosinski in the 1950s.
This brief starts where responsible research should: with the source description of “Frank Bonsall” as british mathematician (1920-2011). Everything that follows is an evidence route, not borrowed authority.
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Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Jan 29, 2026. The linked authority identifier is Q1442981. VIAF identifies the subject as 29616211. The Library of Congress control number is n88679323. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1920, 2011, 1947 and 1938.
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This entry incorporates text from “Frank Bonsall” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.