WILLIAMS, William George, engineer, born in Philadelphia, 1 January, 1801; died in Monterey, Mexico, 21 September, 1846. He was graduated at the United States military academy in 1824, and entered the 7th infantry as 2d lieutenant. He was promoted 1st lieutenant, 30 April, 1833, surveyed the site for a fort on Pea Patch island, in Delaware river, in 1834, and was promoted brevet captain of staff in the topographical engineers on 28 January in the same year. He surveyed the route for a ship-canal around the Falls of Niagara in 1866-'6, and performed similar services on Lake Champlain, at Charleston, South Carolina, and at Cincinnati, Ohio. He went in 1837 on a military reconnoissance to the country of the Cherokees, attained the rank of captain of engineers in 1838, and during the eight succeeding years was engaged in making triangulations and in constructing harbor works on Lake Erie. He was superintendent of the survey of the northwestern lakes and of the boundary between Michigan and Wisconsin, served under" General Zachary Taylor in the war with Mexico as chief of engineers, and was mortally wounded at the battle of Monterey, 21 September, 1846, dying" the same day he was an adept in painting, and his literary and scientific attainments were of a high order.