German-born British physicist. Fuchs was a Communist who went to England to escape Nazi persecution. During the 1940s he passed to the USSR secret information acquired while working in the US, where he was involved in the development of the atom bomb, and in Britain, where he held a senior post in the Atomic Energy Research Establishment at Harwell. He was imprisoned from 1950 to 1959, and on his release he returned to East Germany.
Subjects: Warfare and Defence — Contemporary History (Post 1945).