Leslie Temple was a consultant thoracic surgeon at Broadgreen Hospital, Liverpool. He was born in London in 1915 and studied medicine at University College Hospital. After qualifying in 1939, he completed house posts in Aylesbury and Canterbury, and was then a resident surgical officer at Wigan Infi

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