 Like many scientists who had worked on the Manhattan Project , Burhop was concerned about the dangers of nuclear weapons , and addressed over 500 public meetings to raise awareness of the subject . He had been a founding member of the Australian Association of Scientific Workers in 1939 , and after the war became chairman of the Atomic Science Committee of the Association of Scientific Workers , and a member of its Science Policy Committee , in Britain . In this capacity he helped organise the Pugwash Conferences on Science and World Affairs in 1957 . He founded the British Society for Social Responsibility in Science in 1969 . He was president of his local branch of the Association of University Teachers from 1970 to 1972 , and of the World Federation of Scientific Workers from 1971 to 1980 . 
