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 st

Melvyn Keith Tidman trained at University College Hospital and passed his FRCS in 1964. He moved to the Bristol area and became senior house officer in general and orthopaedic surgery to the Bristol Royal Infirmary and then surgical registrar to the Bath clinical area. He moved to Canada and practic