George. Promoted new agricultural methods, founded agricultural societies, promoted steam navigation, various other public improvements. Commissioned brigadier general, commander Virginia Militia guarding Richmond in War of 1812, 1814-1815. Served on American Board Commissioners for Foreign Missions.
Senior vice president American Colonization Society from its organization to his death, 1819-1866. Elected president United States Temperance Society, 1836. A founder University of Virginia, member board visitors, 1819-1852.