Peter Stiles was a consultant orthopaedic surgeon at the Royal Surrey County Hospital, Guildford. He was born in Twickenham on 23 April 1933, the son of Frederick James Stiles, a brewery engineer, and Hilda Florence Stiles née Smith. He attended St Catherine's Convent School, Twickenham, and then the Mall, Strawberry Hill and King's College School in Wimbledon. He went on to study medicine at Guy's Hospital Medical School, gaining the Michael Harris anatomy prize and the junior proficiency prize, and qualifying in 1956. He held house posts at Guy's and then, from 1957 to 1959, carried out his National Service in Cyprus, serving as a captain in the Royal Army Medical Corps. He was an anatomy demonstrator and physiology lecturer at Guy's and, in 1960, became a surgical registrar, first at St Mary's and then back at Guy's. From 1962, he was an orthopaedic chief assistant at St Bartholomew's Hospital. In 1967, he was appointed as a consultant orthopaedic surgeon at the Royal Surrey County Hospital, Guildford. He designed and developed the Guildford elbow prosthesis, and wrote papers on, among other topics, arterial surgery, tracheostomy, intertrochanteric osteotomy and vertebral chordomas. He was also an adviser and visiting specialist in Afghanistan, working for Sandy Gall's Afghanistan Appeal in Jalalabad and Kabul. He was a member of World Orthopaedic Concern, which works to improve the standard of orthopaedic surgery in developing countries. Outside medicine, he collected watercolours and oil paintings, and enjoyed studying architecture, painting and social history. In 1957, he married Suzanna Alice Rossels, a Belgian. They had two daughters, Renske and Francesca. Peter James Stiles died on 5 May 2015. He was 82.