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

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