Born 3 July 1877 at Holywood, Co Down, Ireland, eldest of the three children and only son of David Johnston, MD, who was in general practice there, and of his wife Clara Agnes Dalton. He was educated at Upper Sullivan School, Holywood, and at Queen's College, Belfast, then a constituent of the Royal

Born in Auckland, New Zealand, 24 August 1881, son of Casement Aickin, merchant, and Elizabeth Mitchell Garde his wife. Aickin came of a medical family on both sides, for his mother was the daughter of Thomas Garde, MD and his grandfather Thomas Leland Aickin was MD of Trinity College, Dublin and FR

Born in London 21 August 1874, the second daughter of J N C Davies-Colley, surgeon to Guy's Hospital, and Sophia Margaret Turner, his wife. Her maternal grandfather, Thomas Turner, was Treasurer of Guy's Hospital. She was educated at the Church of England High School for Girls in Baker Street, Londo

Educated at Wesley College and Ormonde College, University of Melbourne, where he was awarded a major scholarship, he was later at the Middlesex Hospital as a postgraduate. After qualification he worked as a general practitioner in Kyneton, and in 1908 as resident medical officer at the Alfred Ho