Robert Christopher Barclay was a consultant thoracic surgeon. Born on 2 April 1916 in Chippenham, he trained at St George's Hospital and qualified from Cambridge University in 1942. Passing the fellowship in 1946 he was house surgeon at St George's and then resident medical officer at the Royal Canc

Evan Denham was born in Brisbane on 18 May 1913, but was brought up in New Zealand where his father, Henry George Denham, was Professor of Chemistry and Rector of Canterbury University. His mother was Helen Horrell, of farming stock. He was educated at Christ's College, Christchurch, and Canterbury