Arctic explorer and naturalist. After serving as assistant surgeon and surgeon on various of His Majesty's ships, acted as surgeon and naturalist on John Franklin's polar expeditions, 1819–22; 1825–7. Surgeon to Chatham division of marines, 1824–38. Appointed physician to the Royal Hospital, Haslar, in 1838. Conducted search expedition for John Franklin, 1847–9. Retired to Grasmere where he accomplished much literary work. FRS 1825. Knighted, 1846.
(See the bibliography for full references to sources)