Born at Islington on 12 June 1863, the eldest son of John Barnett, public secretary, and Emma Sewell, his wife. He was at school at Streatham Hill and at Oxford, before entering Charing Cross Hospital Medical School; where he won the Bone prize in 1881 and the physiology medal in 1882. After qualify

Born on 11 October 1866, the fourth child and third son of the Rev John Cholmeley, rector of Carleton Rode, Forncett, Norfolk, and Jane Eliza Fell, his wife. He was educated at Marlborough College and St Bartholomew's Hospital. After serving as senior assistant house surgeon at Huddersfield Infirmar