brigade defending Richmond, Virginia, under Lt. Gen. Richard S. Ewell. He remained at Chaffin's Farm until the eventual evacuation of Richmond and joined the retreating forces under Maj. Gen. Custis Lee. Barton was captured on April 6, 1865 at the Battle of Sayler's Creek along with eight other Confederate Generals. Imprisoned for three months at Fort Warren in Boston, Massachusetts, he was released after signing a loyalty oath to the Union Dates of Rank Captain, June 15, 1861 Lieutenant Colonel, June 29, 1861 Brigadier General, March 11, 1862 Post-War Life After the war, Barton returned to Fredericksburg, where he began practicing chemistry, eventually becoming one of the most prominent chemists in the United States. In 1900, while visiting his son in Washington, D.C., he died suddenly. He was buried in the City Cemetery in Fredericksburg, Virginia. See also List of American Civil War Generals (Confederate) Notes References Eicher, John H., and David J. Eicher, Civil War High Commands. Stanford: Stanford University Press, 2001. . Linedecker, Clifford L., ed. Civil War A-Z: The Complete Handbook of America's Bloodiest Conflict. New York: Ballantine Books, 2002. Sifakis, Stewart. Who Was Who in the Civil War. New York: Facts On File, 1988. . Warner, Ezra J. Generals in Gray: Lives of the Confederate Commanders. Baton Rouge: Louisiana State University Press, 1959. . External links Monument at Vicksburg Stonewall in the Valley: Seth Maxwell Barton Brig. Gen. Seth M. Barton, after action report, Battle of Champion Hill 1829 births 1900 deaths 19th-century American chemists 3d Arkansas Infantry Regiment (Confederate States) American Civil War prisoners of war Confederate States Army brigadier generals Military personnel from Fredericksburg, Virginia People of Virginia in the American Civil War Scientists from Virginia United States Army officers United States Military Academy alumni