On leaving the Civil Service in 1969, Nailor became Professor of Politics at
Lancaster University until 1977, when he was appointed Professor of History and International relations at the Royal Naval College. While in this post he served additionally as Dean at the
Royal Naval College, Greenwich, in 1982-84 and 1986–1988, as well as Chairman,
British International Studies Association, 1983-1986. He held visiting research appointments and professorships in Canada, Australia, and India. He served as a member of the Political Science Committee of the
Social Science Research Council, 1975–1981; the
Foreign and Commonwealth Office advisory panel on arms control and disarmament, 1975–1988; and the
Ministry of Defence advisory panel of historical records, 1979-1988. In 1988, Nailor was appointed Provost of
Gresham College and held that position at his death in 1996 at the age of 67. A biennial lecture on defence is held in his honour, under the title
The Peter Nailor Memorial Lecture in Defence. ==Published works==