 From 1966 to 1970, Weaver served as president of the University of Missouri System.In 1970, the regents of the University of Wisconsin elected Weaver president, and he took office in January 1971; when the University of Wisconsin System was created in October 1971, Weaver became its first president.Weaver retired from the UW System in June, 1977, and moved to Los Angeles where he was a Distinguished Professor of Geography at the University of Southern California and the first executive director of the Annenberg Center for the Study of the American Experience.