Born at Redruth, the son of John Permewan and Jane Permewan née Thomas. Both his father and his older brother Arthur Edward Permewan were medical practitioners. He studied at University College Hospital, and was then Resident Surgeon to the Miners’ Hospital, Redruth. In 1887 he went to Liverpoo

Born on 18 January 1865, the eldest child of John Heygate Vernon, an architect, and Caroline Miller, his wife. He was educated at Mill Hill School and at St George's Hospital, where he gained the W Brown exhibition, serving as house surgeon, demonstrator of anatomy and physiology, and clinical assis