American general, born at Kingston, Ohio; trained as an engineer, he had settled down to coal-mining when the Civil War broke out; joined the army in 1861, and rapidly came to the front; highly distinguished himself during the campaigns of 1862-63, winning battles at Iuka, Corinth, and Stone River; but defeated at Chickamauga he lost his command; reinstated in 1864 he drove Price out of Missouri; has been minister to Mexico, a member of Congress, and since 1885 Registrar of the U.S. Treasury; born 1819.