Sir John Franklin KCH FRS FLS FRGS was a British Royal Navy officer, explorer and colonial administrator. After serving in the Napoleonic Wars and the War of 1812, he led two expeditions into the Canadian Arctic and through the islands of the Arctic Archipelago, during the Coppermine expedition of 1819 and the Mackenzie River expedition of 1825, and served as Lieutenant-Governor of Van Diemen's Land from 1837 to 1843.