Frank Featherstone Bonsall FRS[1] (31 March 1920, Crouch End, London – 22 February 2011,[2] Harrogate) was a British mathematician.
[6] He wrote two articles for The Scottish Mountaineering Club on the definition of a Munro.
[5] He served in World War II, in the Corps of Royal Engineers, and in India from 1944 to 1946.
Bonsall took up the chair in 1965, but spent the following year as a visiting professor at Yale.
[4] In 1966, he was awarded the London Mathematical Society's Berwick Prize.