William Bain (Royal Navy officer)
William Bain (1771 – 11 September 1853) was a Scottish steamship inventor, steamship captain, writer, and British naval officer. In 1817 he published Treatise on the Variation of the Compass. After serving as a Master in the Royal Navy, he was employed as the first steam captain between London and Edinburgh; piloting a vessel of his own original design, the Tourist. He was knighted by Queen Victoria on 20 March 1844.