Frank Bonsall

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Frank Featherstone Bonsall FRS (31 March 1920 Crouch End, London – 22 February 2011 Harrogate) was a British mathematician.[1]

Life[edit]

He 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.[2]

He married Gillian Patrick, in 1947. He taught at the University of Edinburgh. He studied at Oklahoma State University from 1950-51. He taught at Newcastle University, with Werner Wolfgang Rogosinski. He was visiting professor at Yale University. He taught at the University of Edinburgh, from 1963 to 1984.[3] In 1966, he was awarded the London Mathematical Society's Berwick Prize. Despite not himself having a PhD, Bonsall supervised many PhD candidates[4] who knew him affectionately as "FFB". After his retirement, Bonsall and his wife moved to Harrogate.

Bonsall and his wife were keen hill walkers.[5] He wrote two articles for The Scottish Mountaineering Club on the definition of a Munro.

Works[edit]

  • Compact linear operators, Yale University, Dept. of Mathematics, 1967
  • Frank F. Bonsall, John Duncan, Numerical ranges of operators and normed spaces and of all elements of normed algebras, London Mathematical Society
  • Frank F. Bonsall, J. Duncan, Numerical ranges II, Cambridge univ. press, 1973

References[edit]

External links[edit]