As the American Civil War was beginning, Whitman published his poem "Beat! Beat! Drums!" as a patriotic rally call for the North. Whitman's brother George had joined the Union army and began sending Whitman several vividly detailed letters of the battle front. On December 16, 1862, a listing of fallen and wounded soldiers in the New York Tribune included "First Lieutenant G. W. Whitmore", which Whitman worried was a referen...