Thomas Malcolm Knox was born in Birkenhead, Cheshire on 28 November 1900 and died on 6 April 1980. The son of James Knox and Isabella Russell Marshall, he attended Bury Grammar School and the Liverpool Institute, before gaining a first in literae humariores from Pembroke College, Oxford. From 1923 to 1931 he held various administrative posts at Lever Brothers Ltd, which included the management of the company's West African interests. In 1931 Knox returned to academic life, as a lecturer in philosophy at Jesus College, Oxford, taking on a fellowship and tutorship in 1933. He was then lecturer in Greek at Queen's College, Oxford from 1934 to 1936. In 1936 he became Professor of Moral Philosophy at St Andrews University, Scotland. In 1952, he took on the position of Acting Principal of St Andrews, and was confirmed as Principal in 1953, a position that he held until 1966. In recognition of his scholarship, he received an honorary fellowship from Pembroke College, Oxford, Hon. LLDs from Edinburgh, Pennsylvania and Dundee Universities, and an Hon. DLitt from Glasgow University. He was elected a fellow of the Royal Society of Edinburgh in 1955 and received a knighthood in 1961. He also served on numerous boards and councils, including as Chairman of the Advisory Council on Education in Scotland from 1957 to 1961. He was the 1965–6 Gifford Lecturer at the University of Aberdeen. He retired from university administration in 1966, living in Perthshire until his death.
From The Continuum Encyclopedia of British Philosophy in Oxford Reference.