William S. Rosecrans was a Union general during the American Civil War, known for his leadership in several key battles. Born on September 6, 1819, in Delaware, New Jersey, he graduated from the United States Military Academy in 1842. Rosecrans played a significant role in the Battle of Stones River and the Battle of Chattanooga, where his strategic skills were evident. After the war, Rosecrans served in various political and engineering roles, including as a U.S. Congressman from California. He was also involved in the development of railroads and other infrastructure projects. Rosecrans passed away on March 11, 1898, leaving a legacy as a capable military leader.