Harold Goodwin was born on 5 June 1910, the son of Barnet and Rebecca Goodwin. He studied medicine at University College and St Bartholomew’s. He served in the RAMC throughout the war and on demobilisation specialised in obstetrics and gynaecology, being registrar, RMO and subsequently senior regist

Ronald Wallace Knowlton was a consultant obstetrician and gynaecologist in the Southampton area. He was born on 12 June 1904, in Southampton, the son of Alexander John Knowlton, a general practitioner and a JP, and Bertha née Bates, a Middlesex Hospital nursing sister. He was educated at King Edward

Robert Clarendon Percival was born at Richmond, New South Wales, Australia, on 16 September 1908, the fifth son and seventh of the eight children of William Percival, a farmer, and of Blanche Hilda Leontina, née Wikner, the daughter of a civil engineer. He was educated at Richmond Private Grammar Sc