Author, professor, government official. Research Assistant to Henry L. Stimson (1946-1948), Lecturer and Professor of Government, Harvard (1949-1953), Dean, Faculty of Arts and Sciences, Harvard (1953-1960), Special Assistant to the President on Foreign Affairs (1960-1966), President, Ford Foundation (1966-1980), Professor, New York University (1980-1990), Scholar-in-Residence, Carnegie Corporation (1990-1996). Personal and professional papers consisting of letters, memos, research notes and drafts, writings, publications, photographs, and ephemera. Includes information regarding social and professional organizations and 20th-century personalities, academic figures and government officials. Topics include World War II, Harvard University, the John F. Kennedy Library, Cuban Missile Crisis, Vietnam War, civil rights, United States foreign policy, and atomic weapons development and control.