Jared Mansfield was born in New Haven, Conn., in May, 1750, and was educated at Yale College, having been a member of the class of 1777. He was early distinguished for his attainments in mathematics and the allied sciences, and in 1802 he published at New Haven a work entitled "Essays Mathematical and Physical," which was the first volume of original mathematical research issued in this country. About 1803 he was appointed Surveyor General of the United States for the N.W. Territories, and while employed in that duty, he devised and carried into execution the system of surveying and dividing the public lands which is still pursued. In 1812 he was appointed Professor of Natural and Experimental Philosophy in the U.S. Military Academy at West Point, N.Y., his army rank at that time being Lt. Col. Corps of Engineers. This professorship he held until his resignation in August, 1828. After this he resided a short time in Cincinnati, Ohio. He died in his native town, February 3d, 1830, aged 71. This portrait was painted by Robert W. Weir, and was given in 1840, by Prof. Charles Davies, son-in-law of Col. Mansfield. [P. 26.]
Catalogue of Paintings, belonging to Yale College; deposited in the South Room of the Trumbull Gallery. New Haven: Printed by B.L. Hamlen, Printer to Yale College. 1852.