Terrence Winschel is a retired long-time historian for the Vicksburg National Military Park. Over the course of his career, Winschel served as a licensed battlefield guide at Gettysburg and has authored numerous articles and books on the Civil War, including The Civil War Diary of the Common Soldier, Triumph and Defeat: the Vicksburg Campaign and Vicksburg: Fall of the Confederate Gibraltar. Among his diverse duties at the Vicksburg National Military Park were managing the park’s extensive archival, photographic and map collections, the park library and assisting researchers. Winschel continues to lead tours of the Vicksburg and other battlefields across the country, writes a weekly column for the local newspaper on the Vicksburg campaign and authors articles for numerous periodicals.