; born in New York City, in 1821; graduated at West Point
in 1845; served in the war with Mexico
, and was made captain of cavalry in May, 1861.
He served under Halleck
in the West
, and was made major-general of volunteers, Sept. 17, 1862.
He commanded the district of Central Kentucky, was put in command of the 4th Army Corps after the battle of Chickamauga
, was engaged in the struggle on Missionary Ridge
, November, 1863, and was active in the military movements that led to the capture of Mobile
in 1864, for which he was brevetted major-general of the United States army.
He was mustered out of the volunteer service in 1866; was promoted to colonel in the regular army the same year; and died in Santa Fe, N. M.
, Jan. 10, 1876.