Born on 30 November 1878 at Enfield, the fourth child and third son of William Stephen Ridewood and Anne Foreman his wife, he was educated at Enfield Grammar School, where his father was headmaster. He studied medicine at the London Hospital, and won gold medals at the BS examination in 1906 and at

Born on 2 September 1874, the second child of Joseph Addison and Marianne Brown his wife. He was educated at Marlborough College and at University College, London. After serving as house surgeon to (Sir) Victor Horsley at University College Hospital, where he formed a friendship with George Waugh, q