On World Science Day for Peace and Development we remember Linus Pauling, a chemistry laureate who went on to receive the Nobel Peace Prize. Together with other scientists, Pauling spoke and wrote against the nuclear arms race, and was a driving force in the Pugwash movement. In 1959, Pauling drafted the famous 'Hiroshima Appeal', the concluding document issued after the Fifth World Conference against Atomic and Hydrogen Bombs. He was one of the prime movers who urged the nuclear powers - the US