Lawrence S. Wittner (born on May 5, 1941 in Brooklyn, New York) is an American historian who has written extensively on peace movements and foreign policy.
He attended Columbia College (B.A., 1962), the University of Wisconsin (M.A. in history, 1963), and Columbia University (Ph.D. in history, 1967). Subsequently, he taught at Hampton Institute, at Vassar College, and—under the Fulbright program—at Japanese universities. In 1974, he began teaching at the State University of New York/Albany, where he rose to the rank of Professor of History before his retirement in 2010.
Wittner is the author of eight books, the editor or co-editor of another four, and the author of over 250 published articles and book reviews. From 1984 to 1987, he edited Peace & Change, a journal of peace research. His article "Peace Movements and Foreign Policy" won the Charles DeBenedetti award of the Conference on Peace Research in History in 1989, and his One World or None: A History of the World Nuclear Disarmament Movement Through 1953 received the Warren Kuehl Book Prize of the Society for Historians of American Foreign Relations in 1995. He received the New York State/United University Professions Excellence Award for scholarship, teaching, and service in 1990 and the Peace History Society's Lifetime Achievement Award in 2011.
A former president of the Council on Peace Research in History (now the Peace History Society), an affiliate of the American Historical Association, Wittner also chaired the Peace History Commission of the International Peace Research Association.
He has received major fellowships or grants from the American Council of Learned Societies, the Aspen Institute, the John D. and Catherine T. MacArthur Foundation, the National Endowment for the Humanities, and the United States Institute of Peace.