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(1827-1894), graduated at West Point in 1852. He was a colonel in the first battle of Bull Run, and continued with the Army of the Potomac as brigade and division commander, serving in the Peninsula and Antietam campaigns. In the great contests of Fredericksburg, Chancellorsville and Gettysburg he had charge of a corps, and in the last-named struggle he directed the right wing. As commander of the left wing he made the march with Sherman to the sea and through the Carolinas. He was a Congressman from New York 1869-1873 and 1885-1887, and was at different times mentioned as Democratic candidate for President.