Thomas Tyrell King (known as Tom or TT) was born on 28 March 1930 in London, while his father was working in the UK. His mother, Nina Mary née Keynes, was a nurse whose father qualified in Cork, Ireland and then migrated to Australia, becoming a general practitioner in Nathalie, Northern Victoria. H

Henry Vernon Crock (known as Harry) was a pioneering Australian spinal surgeon. He was born in Perth, Western Australia on 14 September 1929, the son of Vernon Crock and Annie Crock née Doyle. He studied medicine at the University of Melbourne with his identical twin brother Gerard William Crock, wh