John Lloyd Ackrill was born in Reading on 30 December 1921. He attended Reading School and St John's College, Oxford, where he was a scholar, from 1940 to 41, and again from 1945 to 1948. During the intervening years he did war service in the Royal Berkshire Regiment, where he held the rank of captain. His first appointment in philosophy was as assistant lecturer in logic at Glasgow University, a post which he held in the academic year 1948–9. From 1951 to 1952 he was lecturer in ancient philosophy at Oxford University, and was subsequently appointed to a tutorial fellowship at Brasenose College, where he remained until 1966. In that year he took up the Professorship of the History of Philosophy at Oxford, from which he retired in 1981. He is now emeritus professor of philosophy and emeritus fellow of Brasenose College. His other distinctions in philosophy include having been the General Editor of the Clarendon Aristotle series from 1962 to 2001; a member of the Institute of Advanced Studies at Princeton University during the academic years 1950–51 and 1961–2; and visiting professor at Princeton in 1955 and 1964.
From The Continuum Encyclopedia of British Philosophy in Oxford Reference.