Henry Sutcliffe Sharp was born in Leeds in 1910 into a distinguished medical family. He was educated at Haileybury and Caius College, Cambridge, whence he graduated MB, BCh in 1936 having obtained the Conjoint Diploma in the previous year. After holding junior appointments at St Thomas's Hospital, L

Harold Daintree Johnson was born in London on 26 May 1910, the second son of Sir Stanley Johnson, a solicitor and one-time Conservative MP for Walthamstow. His mother, Edith Heather, was the daughter of a professor of mathematics. After education at Westminster School he entered University College L