Victor Chang was born in Sydney in 1936 and received his medical training at St Vincent's Hospital, Sydney. After qualifying in 1960 he came to London to train in cardiothoracic surgery at the Brompton Hospital, spent a year at the Mayo Clinic, and returned to St Vincent's in 1972, where he won an i

John Parker was a consultant cardiac surgeon at St George's Hospital, London. He was born in Harrow on 1 February 1938, where his father, Kenneth Kershaw Parker, was a civil servant and a town planner. His mother was Mary Moore. He was brought up in Salisbury, Rhodesia (now Harare, Zimbabwe), where