Gordon Stuart Baron-Hay was a consultant paediatric surgeon at the Princess Margaret Hospital for Children in Perth, Western Australia. He was born in Perth on 26 June 1935. His father was George Kingston Baron-Hay, an agriculturalist; his mother, Vera, was a psychiatrist. He was educated at Wesley

Francis Ian Hulme-Moir was born on 26 January 1938 in Sydney, the son of the Rev Frank Hulme-Moir who later became a Bishop and Chaplain-General of the Australian Armed Forces. He was the eldest of three children. He received his secondary education at Sydney Church of England Grammar School and gra