Typescript transcript of interview with Professor Joseph Rotblat, Research Fellow, Radiological Laboratory, Scientific Society of Warsaw, Poland, 1933-1939, Assistant Director of Atomic Physics, Institute of Free University of Poland, 1937-1939, Oliver Lodge Fellowship, University of Liverpool, Lancashire, 1939, worked on the development of an atomic bomb, Department of Physics, University of Liverpool, 1940-1942, and on the Manhattan Project, Los Alamos, New Mexico, USA, 1942-1944, Director of Research in Nuclear Physics, University of Liverpool, 1945-1949, Professor of Physics, St Bartholomew's Hospital Medical College, University of London, 1950-1976, and Nobel Peace Laureate, 1995, relating to Rotblat's role in the development of the atomic bomb, at the University of Liverpool and on the Manhattan Project, Los Alamos, New Mexico, USA, 1939-1944; Rotblat's decision to resign from the Manhattan Project as he considered the development of the atomic bomb was no longer morally justified as Germany and Japan were not engaged in similar research, 1944; competition in US nuclear research and development between the Los Alamos and Lawrence Livermore National Laboratories, 1945-1954; US thermonuclear tests, Operation CASTLE, Bikini and Eniwetok Atolls, Marshall Islands, Pacific Ocean, Mar 1954; US development of thermonuclear weapons (Hydrogen bombs), 1949-1952; the Nuclear Test Ban Treaty, Aug 1963; the manifesto produced by Bertrand Arthur William Russell, 3rd Earl Russell, and Albert Einstein to create a group of international scientists and scholars opposed to the development of nuclear weapons, 1955; the foundation of the Pugwash conference, an ongoing, international conference on science and world affairs, first convened in Pugwash, Nova Scotia, Canada, Jul 1957; the first march from London to the British nuclear research site at Aldermaston, Berkshire, and the foundation of the Campaign for Nuclear Disarmament (CND), 1958; the detonation by the USSR of a 50 megaton nuclear weapon, Novaya Zemlya Island, USSR, 30 Oct 1961; the detonation of the atomic bomb, dropped by the USAAF (US Army Air Force), on Hiroshima, Japan, 6 Aug 1945; the summit conference between US President Dwight David Eisenhower and Nikita Sergeevich Khrushchev, First Secretary of the Soviet Communist Party, Geneva, Switzerland, Jul 1955; the arrest of Dr Klaus Emil Julius Fuchs, a nuclear physicist, for passing atomic secrets to the USSR, 1950. 33pp