Freeman John Dyson is a British-American physicist and mathematician, famous for his work in quantum mechanics, nuclear weapons design and policy, and for his serious theorizing in futurism and science fiction concepts, including the search for extraterrestrial intelligence. Dyson was professor of physics at the Institute for Advanced Study in Princeton.

He is a lifelong opponent of nationalism, and a proponent of nuclear disarmament and international cooperation.

Last Updated: July 1, 2017