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A Pugwash quartet

The eight-seven year old Nobel Laureate Maurice Wilkins, who died on 5 October 2004, was best known as the ‘third man’ who with Crick and Watson succeeded in unravelling the structure of DNA. Less well known were Wilkins’s efforts to rid the world of weapons of mass destruction. After graduating in physics in the late 1930s he was directed to work on radar at Birmingham University with John Randall (of Randall and Boot of cavity magnetron fame). Colleagues at Birmingham were Rudolf Peierls and Otto Frisch, who were poised to demonstrate the feasibility of constructing an atom bomb. Subsequently Wilkins worked for Marcus Oliphant on separation of uranium isotopes, and in 1944 moved to America to take part in the Manhattan Project. Mortified by Hiroshima and Nagasaki, and aware of the dangers of proliferation of chemical and biological weapons, Wilkins formed with Cecil Powell in the mid 1960s the British Society for Social Responsibility in Science, and was its President until 1991. He was a regular attendee at Pugwash meetings and took an active part in their proceedings.