| 2006 -2009 | Gresham Professor of Rhetoric | Gresham College |
| 1971 - |
Lecturer in Government Senior Lecturer in Government Reader in Government Professor of Government
|
London School of Economics and Political Science |
| 1990 -1991 | Honorary Research Fellow | University of Glasgow |
| 1967 -1971 | Lecturer in Politics in the Department of Political Theory and Government | University College Swansea |
| 1968 | Phd.D. | London School of Economics and Political Science |
| 1963 | B.A History | Downing College, Cambridge |