Alan Brock McCarten was a surgeon in Edmonton, Manitoba. Born in Winnipeg on 11 January 1919, he was the second son of Daniel Alexander McCarten, a dental surgeon, and his wife, Ella Isobel née Goldthorpe, the daughter of a lumber mill operator. After attending Kelvin High School in Winnipeg he won

David Annis was a consultant surgeon at Liverpool's Royal Infirmary. His father was a Polish Jew who emigrated from England to Canada and served with distinction in the Canadian Army during the first world war, being decorated for his conduct at Vimy Ridge. After the war, he returned to England to s

Patrick Dacre Trevor-Roper, known as ‘T R’, was an acclaimed eye surgeon and a successful campaigner. He was born in Alnwick, Northumberland, on 7 June 1916, where his father, Bertie William Edward Trevor-Roper, was in general practice. His mother was Kathleen Elizabeth née Davison. He was educated