Archie Wilmot Middleton studied medicine at Sydney University. After qualifying in 1943, he was RMO at the Repatriation Hospital in Sydney for two years and then registrar at the Royal Alexandra Hospital for Children in Sydney for another year. He came to London to specialise in surgery and was registrar at the Whittington Hospital from 1950 to 1951 before passing the FRCS. He returned to Sydney in 1952 as honorary specialist at St Luke's Hospital. He then devoted his life to paediatric surgery at the Rachel Forster Hospital. He died on 1 November 1996, survived by his wife, Eve.