John Andrew McCredie, known as Jack, was professor of surgery at the University of Western Ontario. He was born on 8 September 1923 in Annahilt, County Down, Northern Ireland. His father, Andrew McCredie, was a draper; his mother was Agnes McCredie née McCandless. He was educated at the Royal Belfas

Robin Denham was an orthopaedic surgeon in Portsmouth. He was born on 18 April 1922, and studied medicine at St Thomas’s medical school in London, qualifying in 1945. He was a senior registrar at Rowley Bristow Hospital in Pyrford and at St Peter’s Hospital, Chertsey. He was subsequently appointed t