Born on 1 August 1875, the fourth and youngest son of Henry and Elizabeth Gask, he was educated at Dulwich College. He studied at Lausanne, Freiburg, and Baden before entering St Bartholomew's Hospital Medical College in 1893. He qualified in 1898, and was appointed house surgeon to John Langton. He

Born at Chester on 8 May 1873, the second child and eldest son of Edward George Sargent, a bank manager, and Emily Grose, his wife. His brothers were Dr Eric Sargent, the Rev D H G. Sargent (who died 19 July 1935), and the Rev E H Gladstone Sargent, and he had four sisters. He was educated at Clifto