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.
Frederick William Beechey Frederick William Beechey (17 February 1796 – 29 November 1856) was an English naval officer and geographer.