Home › Authors › George Henry Thomas George Henry Thomas 2 books Biography George Henry Thomas (July 31, 1816 – March 28, 1870) was an American general in the Union Army during the American Civil War and one of the principal commanders in the Western Theater. Books by George Henry Thomas Head-Quarters Military Divisio Head-Quarters Military Division of the Tennessee 1865 U.S.military telegraph,Paducah U.S.military telegraph,Paducah,Kentucky, Dec.30th,1864 1864