Assistant lecturer Middlesex Hospital Medical School, 1956-1958. Senior assistant physicist King's College Hospital, London, 1958-1959. Lecturer Guy's Hospital Medical School, London, 1959-1964, senior lecturer, 1964-1966.
Reader in experimental physics University London, 1966-1974. Professor experimental physics Queen Elizabeth College (now King's College), London, since 1974. Consultant General Electric Company, London, 1982-1989, Electricity Association, since 1988.
Head physics department King's College, London, 1992-1994. Principal science consultant Microwave Consultant Ltd.
Author: Dielectric Behaviour of Biological Molecules in Solution, 1978. Editor Ellis Horwood book series on physics and its applications. Contributor articles to professional journals.
Grantee United States Army, United States Navy, United States Air Force, Medical Research Council, National Radiological Protection Board, Cancer Research Campaign.