Martin Underwood read physics and philosophy and gained a D.Phil. from Oxford University in nuclear physics. He worked on the linear accelerator at St. Bartholomew's Medical College in 1976/77, under Joseph Rotblat. He joined BP Research, becoming Leader of both Nuclear Geophysics and Operational Physics Research Projects before following a commercial career in BP Exploration. He then became the MD of a Technology Park in Coventry. He is author of some 20 papers in various scientific journals and papers recently on Joseph Rotblat.