Born 31 March 1869 at South Yarra, Melbourne, Australia, the fifth child and third son of George Horace Hayes, a mill owner, and Anna Hall his wife. He was educated at the Church of England Grammar School and at the University of Melbourne, and then came back to England and took his medical training

Born on 28 May 1864 at Ballarat, Victoria, Australia, the fifth child and third son of Charles Martin, a schoolmaster, and Elizabeth Hitchcock, his wife. He was educated at Ballarat State School and School of Mines, and practised as a chemist before going to England to study medicine. He worked at t

Born 9 July 1859 at Forest Hall, Newcastle-upon-Tyne, son of the Rev James Samuel Blair, vicar of Killingworth, Newcastle-upon-Tyne, and his wife, *née* Buxton. He was educated at Durham School and having won a university scholarship in 1878 entered the University of Durham College of Medicine, Newc