David Graham Leighton Davies was a consultant general surgeon at East Glamorgan General Hospital, Pontypridd, and an honorary clinical tutor in surgery at the Welsh National School of Medicine. He studied in Cardiff, gaining a BSc degree with a distinction in anatomy, in 1943 and at Guy's Hospital Medical School. He qualified MB BS in 1946. Prior to his consultant appointment, he was a house surgeon and house physician at a Guy's Hospital unit based in Orpington and a senior registrar in surgery at the United Cardiff Hospitals. He also served as a surgeon commander in the Royal Naval Reserves and was awarded the Reserve Decoration (RD) in 1967. He was a tutor in surgery for the Royal College of Surgeons, and a fellow and former member of the council of the Association of Surgeons of Great Britain and Ireland. His widow Felicity informed the College of his death on 15 September 2006.