Peter Christie Anderson was an orthopaedic surgeon and a specialist in rehabilitation medicine in Perth, Western Australia. He was born in Sheffield on 23 September 1929, the eldest son of James Christie Anderson, a urological surgeon and a fellow of the Royal College of Surgeons, and Mary Ann Ander

As the son of a surgeon, Charles Langley Owen, and the great-nephew of an eminent ophthalmologist, David Charles Lloyd Owen, it was not surprising that Robin Owen took up eye surgery as a career, becoming a consultant ophthalmic surgeon in south London. His mother was Robina Elizabeth Owen née Sincl

David Worthington Atkinson was a consultant urologist in the north east Thames region. He was born in Chinley, Derbyshire, the son of John Atkinson, an industrial chemist, businessman and former captain in the Army during the First World War, and Florence Mary Atkinson née Worrall. His sister, Anne

John Herbert Harker Webster was a consultant surgeon in Southampton. He was born in Heswall, Cheshire, on 2 October 1929, the son of Herbert Webster, a biscuit manufacturer, and Doris Louise née Harker, the daughter of a chandler. In 1935 the family moved to Prenton in order to be near to Birkenhead