R.F.ATKINSON Professor of Philosophy at the University of Exeter since 1979; Professorat York, 1967-79; Lecturer at Keele, 1953-67. Educated Cockburn High School, Leeds, and Keble College, Oxford. Author of Sexual morality (Hutchinson, 1965); Conduct: an introduction to moral philosophy (Macmillan, 1969); Knowledge and explanation in history (Macmillan, 1978). Current interests: Kant and Sartre.