Harry Teesdale Simmons was born on 17 February 1903, and educated at Manchester Grammar School and Manchester University where he graduated MB ChB in 1924. He then spent a year in junior hospital appointments, and afterwards worked in physiology obtaining the BSc in 1926, presumably as part of his b

James Charles Frederick Lloyd Williamson was born in Horley on 9 July 1904. His father was a doctor, and he was educated at Rugby, Emmanuel College, Cambridge and St Bartholomew's Hospital, qualifying with the Conjoint Diploma in 1928, and graduating BChir in 1929 and MB in 1931. After junior appoin