Arthur Siddons was a consultant thoracic surgeon at St George's Hospital in London. He was born on 17 January 1911 in Harrow, Middlesex, and was sent to Harrow School. He went on to Jesus College, Cambridge, and then to St George's Hospital, where he qualified in 1935. In 1941, he was appointed as a

Bernard Williams was a senior surgeon in Portsmouth. He was born into a medical family on 26 August 1910, his father, Morgan Watkin Williams, being a general practitioner in Morriston, Swansea. His mother, Beryl Jane née Gabe, was the daughter of a GP. He received his schooling at Marlborough Colleg