John Walker Wilson was born at Alloa in 1899 and studied medicine at Glasgow University before graduating in 1924. After holding postgraduate appointments at the Miller General Hospital, London, and as medical superintendent of the Seamen's Dispensary at Greenwich, he settled in general practice at

Katharine Mary Burkill (Kit) was born in Cambridge on 25 October 1929, the daughter of John Charles Burkill, FRS, Professor of Pure Mathematics in the University of Liverpool and later Master of Peterhouse, Cambridge, and Helen Margareta Braun-Pritchard. She was educated at the Perse School and Newn

Maurice Sydney Beare was born in Cork on 14 April, probably in 1920, since he started school in 1925. He was the second son of Isaac William Beare, a draper, and Rosa Leah Sless, daughter of a rabbi. Both his parents were of Lithuanian Jewish origin who had emigrated to Ireland. He was educated at t