The second son of the Rev Charles Hartley, Rector of Stocking Pelham, Hertfordshire; he studied at King's College, Middlesex, and London Hospitals, and was a prizeman in Anatomy and Midwifery. He served the offices of House Surgeon, House Physician, and Resident Obstetric Assistant, at Middlesex Hospital. He then joined his brother, Charles Hartley, in practice at Great Dunmow, Essex. Subsequently he returned to London as Clinical Assistant at the Royal Westminster Ophthalmic Hospital; next as Demonstrator of Anatomy at Middlesex Hospital for five years, at the end of which staff and students joined in a presentation to him, with an illuminated address. In 1896 he began practice in partnership with Dr George Greig Farquhar at Darlington, and was appointed Surgeon to the Darlington Hospital, which he assiduously attended until his death. He died at 26 Stanhope Road, Darlington, on October 3rd, 1914. He left a widow but no family. Publication: "A Case of Tetanus Treated by Intracerebral Injection of Antitoxins with Recovery." - *Brit. Med. Jour.*, 1899, I, 1333.