Hassan Agha Hashemian was a professor of surgery and head of the department of surgery at the Cancer Institute, Tehran. He was born in Kashan, Iran, on 14 April 1915, the son of Hossein Hashemian, a velvet merchant, and Nagar, a housewife. He was educated at Tehran Boys School, and then received a scholarship from the Shah to study in Europe. He attended the Lycée Francais in Paris and went on to University College London Medical School. He was a house surgeon at St Antony's Hospital, Cheam, and then a resident surgical officer at West Herts. He then moved on to Central Middlesex Hospital, where he was a senior casualty officer, then a surgical registrar in the department of urology and subsequently in the department of neurosurgery. He became a senior surgical registrar in 1948 and was appointed to the senior staff as an assistant surgeon in 1953. In 1956 he was invited to open up a large cancer institute in Tehran, Iran. The institute received many visitors, including Sir Stanford Cade, Sir Brian Windeyer and Sir Francis Avery-Jones. He was a past President of the Iranian National Surgical Society and of the International College of Surgeons. He was a fellow of the Association of Surgeons of Great Britain and Ireland and of the British Oncological Society. He retired in 2001. He married Marjorie Bell, also a doctor, in 1947 and they had two children - Michael Parviz and Moneer Susan. He died on 3 September 2003.