After a period working with English Electric in 1963 he was appointed lecturer in mathematics at City University, London. In 1969 he became a founder member of the Open University, and later became Deputy Vice-Chancellor. The first course broadcast by the university in 1971 was an introduction to the maths foundation course presented by Gowar. In 1990 he became principal of Royal Holloway and Bedford New College. He was a member of the Fulbright Commission from 2001-2005.
He married first in 1963 Diane May Parker with whom he had one son and one daughter, and second in 1981, Professor Judith Margaret Greene, a daughter of Patrick Gordon-Walker.
Professor Dorothy Wedderburn
Royal Holloway, University of London
Sir Drummond Bone