A British officer of the Royal Navy best known for his 1791-95 expedition first charted what in 1793?
George Vancouver Captain George Vancouver (22 June 1757 – 10 May 1798) was a British officer of the Royal Navy, best known for his 1791–95 expedition, which explored and charted North America's northwestern Pacific Coast regions, including the coasts of contemporary Alaska, British Columbia, Washington, and Oregon. He also explored the Hawaiian Islands and the southwest coast of Australia.
William Henry Smyth Admiral William Henry Smyth (21 January 1788 – 8 September 1865) was an English naval officer, hydrographer, astronomer and numismatist. He is noted for his involvement in the early history of a number of learned societies, for his hydrographic charts, for his astronomical work, and for a wide range of publications and translations.