Degrees:
- B.A., Political Economy (Highest Honors), magna cum laude, Williams College, 1956
- Diploma in Economics, King’s College, Cambridge University, 1957
- M.A., Ph.D., Political Science, Yale University, 1958, 1961
Honorary Doctorates:
- Uppsala University, 2002
- Williams College, 2011
Positions:
- Instructor in Political Science, Massachusetts Institute of Technology, 1961-62
- Assistant Professor, Political Science, Yale University, 1962-66; Associate Professor, 1966-68; Professor 1968-85; Dean Acheson Professor 1985; Dean Acheson Research Professor 2011. Director, World Data Analysis Program, 1962-73; Director of Graduate Studies, Political Science, 1970-72; Chair, International Relations Council, 1970-73; 76-77; Director of Graduate Studies, International Relations, 1974-79; Coordinator, International Security and Arms Control Program, 1985-88; Chair, Political Science Dept., 1990-96; Director, United Nations Studies at Yale, 1993-2006.
- Visiting Assistant Professor of Public Law and Government, Columbia University, 1965
- Visiting Research Political Scientist, Mental Health Research Institute, University of Michigan, 1965-66
- Visiting Professor, Institut d’Etudes Europeennes, Universite Libre de Bruxelles, 1969-70
- Visiting Scholar, Richardson Institute for Peace & Conflict Research, London, 1973-74
- Academic Director, Institute of World Affairs, summer 1976
- Visiting Scholar, Institute for Research in Social Science, University of North Carolina at Chapel Hill, 1979-80
- Fellow, Netherlands Institute for Advanced Study, 1984
- Visiting Professor of Political Science, Tel Aviv University, 1989
- Visiting Professor, Chair of International Capital Markets Law, University of Tokyo Law School, 1996
- Visiting Scholar, Weatherhead Center, and Visiting Professor of Government, Harvard University, 2001