Ronald Thomas Todd was the senior surgeon at Ipswich Hospital, Queensland, Australia. He was born in Brisbane on 16 January 1925, the eldest son of Frederick Edmund Todd, an optometrist, and Rose Emma Todd née Thomas, a business secretary. He attended the Church of England Grammar School, Brisbane, and then the University of Queensland. He qualified MB BS in 1948. He was a resident medical officer at Brisbane General Hospital and then went to the UK for further studies. He was a senior house officer at St Bartholomew's Hospital, Rochester, Kent. He returned to Australia and worked as a surgical registrar at Prince Henry Hospital, Sydney, and at Broken Hill, New South Wales, where he remained for seven years. In the mid-1960s he was appointed to his surgical post at Ipswich Hospital, Queensland. After his mandatory retirement, he continued in private practice and at St Andrew's Hospital, Ipswich, until he retired as a surgeon in 1996. He then became a general practitioner in the maximum security jail at Wacol, Queensland. He finally retired in 2009. He was a fellow of the Royal College of Surgeons, the Royal Australasian College of Surgeons, the American College of Surgeons and the International College of Surgeons. Outside medicine, he played tennis, bred cattle and grew orchids. He studied art, history, botany, gemology, economics and sociology, among other subjects, and gained a BA at 66 and a BSc at 80. He also travelled extensively. In 1950 he married Velyian MacDonald. They had a son, Ronald Peter, and two daughters, Alison Velyian and Margaret Jean, and four grandchildren. Ronald Thomas Todd died on 16 June 2011 in Ipswich, Queensland. He was 86.