drawings to Secretary Mallory of an iron-clad war vessel with submerged ends, and had charge of devising, preparing and testing the armor and ordnance for the famous Virginia. He was subsequently promoted commander and made chief of the bureau of ordnance and hydrography, and continued to render important services until the close of the war. Soon afterward he was appointed to a professorship in the Virginia military institute, which he still holds.
John Henry Winder, provost marshal general, was born in Maryland in 1800, son of General W. H. Winder, a soldier of the war of 1812. He was graduated at the United States military academy in 1820; served at Fort McHenry and on the Florida frontier; resigned in August, 1823; was reappointed with rank of second-lieutenant of artillery, 1827; was promoted first-lieutenant, 1833; served in the Florida war; was promoted captain, 1842; served in the Mexican war at La Hoya, Ocalaca, Contreras, Churubusco, Chapultepec and City of Mexico; was brevetted major and lieutenant-colonel for gallantry; promoted major November 22, 1860; resigned April 27, 1861. He entered the Confederate service, was made brigadier-general and given command at Richmond, where he had charge of the Libby and Belle Isle military prisons. Subsequently he was assigned to command the prison camp at Andersonville, Georgia. He died at Columbia, South Carolina, February 7, 1865.
Robert Ould, chief of the bureau of exchange, was born January 31, 1820, at Georgetown, D. C. After a course of study in Jefferson college, Pennsylvania, he was graduated in letters at Columbia college, Washington, D. C., in 1837, and in law at William and Mary college, in 1842. Subsequently he practiced the profession of law at Washington until 1861. Notable events in his antebellum legal career were his service on the commission