Don Higson was born in England and obtained a BSc and PhD in chemical engineering from Imperial College, London. After working on the development of nuclear submarine propulsion for Rolls-Royce & Associates, he joined the Australian Atomic Energy Commission (now the Australian Nuclear Science and Technology Organisation, ANSTO) in 1964 and specialised in nuclear reactor safety assessment. He has worked as a consultant to the International Atomic Energy Agency on nuclear safety and safeguards. He is a Fellow, Life Member and former Secretary of the Australasian Radiation Protection Society (ARPS); a Fellow of the Institution of Engineers Australia and Secretary of its Nuclear Engineering Panel; former Vice President of the Australian Nuclear Association; and a member of the International Nuclear Energy Academy. He founded the ARPS Newsletter in 1995, after his retirement from ANSTO, and was editor for 10 years.