Dennis Stoker was a consultant radiologist at the Royal National Orthopaedic and St George’s hospitals, London. He was born in London, the son of George Morris Stoker, a general practitioner, and Elsie Margaret ‘Peggy’ Stoker née McQueen. He was educated at Oundle School and then studied medicine at

James McIvor was director of radiology at Charing Cross Hospital, London and head of the radiological service at the Eastman Dental Institute. He was born on 23 September 1936 in Glasgow, the son of James McIvor and Anne Donaldson McIvor née Hunter. He had an identical twin brother, Donald. He was e