Background
Clarke was the eldest son of Joseph Clarke and Ellen Clarke of Oldham.
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Clarke was the eldest son of Joseph Clarke and Ellen Clarke of Oldham.
He was educated at Hulme Grammar School, Oldham and then the University of Manchester, where he obtained a Bachelor of Science.
While at Manchester he was President of the University Union from 1938-1939. They had two daughters. In 1982 he was awarded the Officer of the Most Excellent Order of the British Empire.
During the war Clarke worked on research for the Ministry of Supply.
He was at the External Ballistics Department of the Ordnance Board at Chislehurst, from 1939-1942.
He was at the Armament Research Establishment, Branch for Theoretical Research at Fort Halstead from 1942-1945. He was Deputy Secretary for the Institute of Physics from 1945-1965.
He was Honorary Secretary for the International Community on Physics Education, from 1960-1966. He was first Secretary and then Registrar at the Institute of Mathematics and its Applications from 1964-1987, and then Emeritus.
He was Fellow of the Institute of Physics ; FIMA (Honorary FIMA 1990).
Clarke was first Secretary and then Chairman of Manchester University Liberal Association. He sat on the Executive of the Home Counties Liberal Federation. He was Liberal candidate for the Romford division of Essex at the 1950 General Election.
This was not a promising seat for the Liberals who had come third in 1945.
In a difficult election for the Liberals he also finished third, losing his deposit. He did not stand for parliament again;
He was Vice-Chairman of the Essex Police Authority from 1969-1985.
He was made an Honorary Freeman of Southend-on-Sea in 1996.
He was a Member of Southend-on-Sea Canadian Broadcasting Company, from 1961-1974 (Alderman from 1964-1974, Chairman of Watch Committee from 1962-1969 and of the Public Protection Committee from 1969-1978). He then sat as a member of Southend-on-Sea Borough Council from 1974-1993 serving as Mayor from 1975-1976, Chairman of the Highways Committee from 1980-1984, Council Leader from 1984-1987 and 1990-1993 and Leader of the Conservative Group from 1984-1993. He was a Member of Essex County Council from 1973-1985.