Geoffrey Evans was an associate professor of surgery at McMaster University, Hamilton, Ontario, Canada. He was born on 25 January 1935 in Mountain Ash, Glamorgan, Wales, the son of William Garfield Evans, a schoolmaster, and Hannah Evans née James. He attended Mountain Ash Grammar School and then studied medicine at St Mary's Hospital Medical School in London. He was a house surgeon on the surgical unit at St Mary's and then a house physician at Paddington General Hospital. From May to December 1959 he was a casualty surgeon at St Mary's and subsequently a tutor in anatomy and physiology at the medical school there. From May to December 1960 he was a senior house officer at the Royal National Orthopaedic Hospital, and then became a surgical registrar at Southlands Hospital, Shoreham-by-Sea, Sussex. He returned to London in 1963, as a surgical registrar at Paddington General and a senior registrar in surgery at St Mary's. In 1967 he went to Canada, where he was a Canadian Heart Foundation fellow in the department of pathology at McMaster University, Hamilton, Ontario. He stayed on to become an assistant professor of surgery in 1969 and then, from 1970, an associate professor of surgery. He carried out research into thromboembolism and transient cerebral ischaemia. He was a member of the Society of University Surgeons, the Society for Academic Surgery, and the Canadian Cardiovascular Society and the Canadian Heart Foundation. Outside medicine he enjoyed skiing, sailing, squash, photography and music. In 1959 he married a Miss Martin. They had a son and twin daughters. Geoffrey Evans died in 2010.