John Dunlop was born on 29 June 1915 in India, where his father, John Dunlop, was a doctor. He was educated, with an entrance scholarship, at Epsom College, and in 1932 gained a scholarship to St Thomas's Hospital Medical School, and qualified in 1937. After holding a number of resident posts at St

Henri Roualle was a consultant general surgeon in London serving at many hospitals at various stages of his career, including Connaught, Wanstead, Finchley Memorial, the National Temperance and Whipps Cross hospitals. He was also visiting surgeon to HM prison, Wormwood Scrubs. He was born on 19 May