John Buchanan Floyd
John Buchanan Floyd (June 1, 1806 – August 26, 1863), was a Virginia politician (legislator and governor), U.S. Secretary of War, and the Confederate general in the American Civil War who lost the crucial Battle of Fort Donelson.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 3) (New York, NY: Harper and Brothers, 1912)