“Few in this country were left untouched by the horrors of the Civil War. American poet Walt Whitman wrote extensively about the impact on the nation. His brother, George Washington Whitman, was a soldier in the Union army. One day, Walt read in the New York Herald that one of the wounded at the Battle of Fredericksburg was a “First Lieutenant G. W. Whitmore.” Believing this to be his brother, Whitman immediately left New York for the south to find his brother.”
Read more of this wonderful article here. It includes a letter written by Whitman to his mother.