sentences:  He moved to the University of British Columbia in 1967, working as assistant professor in the Department of Political Science (1967–1971) before becoming a professor (1971–1974).Holsti was at the University of California, Davis, as a professor in the Department of Political Science (1978–1979) before joining the faculty of Duke University as George V. Allen Professor in the Department of Political Science (1974–1998).He became a professor emeritus in 1998.