Born in Tipperary, Ireland, Richard Nash was the son of Gerald and Margaret Nash. He was educated at University College Dublin, and came to England to specialise in surgery, doing a number of registrar jobs in London before taking the FRCS in 1951. He went to Canada in 1952, practising in Fort Garry

Charles Bruce Noble was born at Blantyre, Scotland, on 7 October 1919. His father, James Noble, was a consultant mining engineer. His mother was Shelagh Maclean, a farmer's daughter. He was educated at Hamilton Academy and Glasgow University, where he qualified with a distinction in material medica.

Few details are known of the life and work of Edwin French. He qualified in Toronto during the war. He came to England to specialise in surgery after the war and returned to Canada to work in Toronto. He died on February 8 1997.

Rothwell Alan Hill was born in 1920 and qualified in medicine at the University of Melbourne in 1942. He was appointed resident medical officer at St Vincent's Hospital and then joined the Royal Australasian Air Force in 1943 as a medical officer. After the war he returned to St Vincent's Hospital i

William Melvin was born on 20 November 1920 in Kingston, Ontario, the son of Dr George Spencer Melvin, a physiologist and dean of medicine at Queen's University in Kingston, and Isabella, née Stewart, a nurse. He was educated at Upper Canada College and Queen's University Medical School in Kingst

Ian Howard Ogilvy was resident junior medical officer at the Royal Melbourne Hospital in 1943 and progressed to senior medical officer and then to assistant surgeon in 1952. He was honorary surgeon to the Austin Hospital and the Footscray and District Hospital from 1952 to 1957, assistant surgeon at

Eric Murray studied medicine in Aberdeen, qualifying in 1944. After junior posts, he did his National Service, and afterwards worked as a registrar on rotation at Luton and Dunstable, the Central Middlesex and the Royal Free Hospitals. In 1959, he was appointed consultant surgeon initially at Tilbur

John Gerald Callanan was born in Ennis, County Clare, on 21 June 1920, the son of John Callanan, a British Government Official, and his wife, Margaret. He spent his early years in England, returning for schooling to Mount Mellory where he attended the veterinary college for a while before transferri

Harry Annamunthodo was born on 26 April 1920 in British Guiana, now Guyana. He was proud to claim as an ancestor an Indian Sepoy transported after the Mutiny. He was educated at Queen's College, Georgetown, before entering the London Hospital Medical College in 1941, at that time evacuated to Cambri

John (Jack) Trengove Jones was born in Paarl, South Africa, on 20 February 1918, and was educated at Rondebosch Boys' High School and the University of Cape Town. He obtained his MB ChB at the beginning of the second world war, and later served with the South African Medical Corps in Egypt, at Sprin

Arnold Katz was born on 10 September 1920 in the town of Benoni in the East Rand, the eldest son of Abe and Anne Katz. His parents were expatriate Lithuanian Jews, and his father was a businessman in the import and export trade, who later moved to Cape Town. Both his parents died at an early age and

Lindsay Black was superintendent of the Westland Hospital, New Zealand, and orthopaedic surgeon to all the west coast hospitals on the South Island. He was born in Auckland on 20 November 1914, the third child of Wilfred Alick Black, a solicitor, and Linda née Culpan. He was educated at King's Colle