Scottish naval general practitioner and naturalist who made correct surveys of greater of the Canadian Arctic coast than another explorer, in provider with the Royal navy (1807-55). During this time he turned into general practitioner and naturalist to Sir John Franklin’s polar expeditions (1819-22, 1825-27). On the second one expeditions, he separated from Franklin to discover the coast to the Coppermine River and Great Slave Lake (1826). He carried out a seek day trip (1848-49) for Franklin’s misplaced 0.33 Arctic day trip that had commenced in 1845, however turned into not able to locate any hint of Franklin’s ships. He wrote Fauna Boreali-Americana (1829-37) which have become a fashionable paintings on Arctic biology. He additionally wrote on ichthyology and polar exploration.