Harry Daniel Payne (1891–1987) was an American architect and engineer; protégé of noted St. Louis Architect, William Ittner. Payne is most known for building designs in the U.S. State of Texas after 1926, but before this as a member of the Ittner Firm, he designed schools and hospitals in other states. Payne was born in St. Louis, Missouri, and was trained at Washington University in St. Louis. Upon graduation, he attended Fort Sheridan Officers Training School, and served in World War I in Company H, 320th Infantry, 80th Division. On September 25–26, 1918 he fought in the Meuse-Argone Offensive, leading men of H Company to take Dead Man's Hill (Le Mort Homme). Payne received a battlefield commission to Captain just before the Armistice. He returned to St. Louis after the war to work with