Frank Barnaby is Emeritus Consultant to Oxford Research Group. He is a nuclear physicist by training and worked at the Atomic Weapons Research Establishment, Aldermaston between 1951-57. He was on the senior scientific staff of the Medical Research Council when a university lecturer at University College London (1957-67). He was Executive Secretary of the Pugwash Conferences on Science and World Affairs in the late 1960s and Director of the Stockholm International Peace Research Institute (SIPRI) from 1971-81. He was a Professor at the Free University, Amsterdam (1981-85) and Visiting Professor at the University of Minnesota in 1985. From 1982-2007, he was the Nuclear Issues Consultant for Oxford Research Group. He is now a freelance defence analyst, and a prolific author on military technology.