Denis Norden Fuller was a consultant thoracic surgeon in Johannesburg, South Africa. He was born on 9 March 1917 in Boksburg, Transvaal, South Africa, the son of Harold Norden Fuller and Natalie Maud Courtney Fuller née Acutt. He was educated at Highbury in Natal and Kingswood College in Grahamstown and then studied medicine at Cape Town and at Guy’s Hospital Medical School in London. He qualified with the conjoint examination in 1940. During the Second World War he served in the South African Medical Corps and then went back to London for further training in surgery until 1948. He gained his FRCS in 1947. He subsequently returned to South Africa, where he was an assistant surgeon at Johannesburg General Hospital, and a consultant thoracic surgeon at Springkell Sanatorium, and in private practice. He retired at the end of 1973. In October 1939 he married Grace Baird Warren. Fuller died in 2006 at Trafalgar, KwaZulu-Natal.