Margaret Mary Mason was educated at Newnham College, Cambridge, and King's College Hospital Medical School, and qualified MB BCh in 1945. Specialising in otolaryngology after her house appointments, she held posts at the Institute of Laryngology and Otology and at Princess Beatrice Hospital and was

Percy Winston, the second child and only son of Joseph Winston, a furrier, was born in London on 5 February 1922. He was educated at the Grocers' Company Grammar School and then went to the London Hospital Medical College. He qualified in 1945 and took several resident appointments before entering t

David Dawson was a consultant surgeon at Plymouth Hospital. He was born on 21 July 1921 in Pinner, Middlesex. His father was John Alexander Dawson CBE, a civil engineer. His mother, Margaret Cruikshank, was the daughter of a medical practitioner. David was their third child and second son. His elder