– Flipper, Henry O. Henry Flipper: Groundbreaking Graduate U.S. Army Lt Henry O. Flipper's Quest for Justice Fort Concho National Historic Landmark and museum. The Colored Cadet at West Point. Autobiography of Lieut. Henry Ossian Flipper, U. S. A., first graduate of color from the U. S. Military Academy 1856 births 1940 deaths 19th-century American military personnel 19th-century American slaves Buffalo Soldiers Clark Atlanta University alumni Military personnel from Georgia (U.S. state) People from Thomasville, Georgia People who have received posthumous pardons Recipients of American presidential pardons United States Army officers United States Army personnel who were court-martialed United States Military Academy alumni