Leonard M Rieser

Leonard M. Rieser (18 May 1922 – 15 December 1998) was an American physicist who worked on the Manhattan Project and later for nuclear disarmament. Rieser was a professor of physics and provost at Dartmouth College; he became a highly respected educator and champion of young people and their efforts to build a more peaceful and sustainable world.

A former chair of the Bulletin of the Atomic Scientists' Board of Directors (1984–1998), the Bulletin's Leonard M. Rieser Award for Young Authors bears his name.