Reginald Harry (Dick) Shephard was consultant neurosurgeon to the Derby Royal Infirmary. Born in 1918 he was one of 10 children and spent much of his younger days helping out on the family farm in Hampshire. Enrolling at University College London with a scholarship, he won a Rockefeller scholarship

John Andrew, also known as 'Tony', was born on 2 February 1922 in Poulton-le-Flyde, Lancashire. He was the son of Percy Andrew, a general practitioner, and Ida Louise née Rishworth, a first-generation American, whom his father had met as a nurse in France during the first world war. His grandfather

Kenneth Paine was born in London on 16 October 1921, the only son of William James Paine, an accountant, and his wife Edith, née Ellis. He won a LCC scholarship to the City of London School whence he gained a City of London scholarship to St Thomas's Hospital. There he won the Kitchiner scholarship

Kenneth Till was a paediatric neurosurgeon at Great Ormond Street Hospital, London. He was born in Stoke-on-Trent on 12 February 1920, the son of Reginald Till, a ceramic designer, and his wife, Grace Adelaide née Smallcombe. He was educated at Poole Grammar School, Dorset, and later at Downing Coll