1. George Washington Williams, was an American Civil War veteran, minister, politician and historian. He travelled to King Leopold II’s Congo Free State and his open letter to Leopold about the suffering of the region’s inhabitants at the hands of Leopold’s agents, helped to sway European and American public opinion against the regime running the Congo, under which some 10 million people lost their lives.
2. Manute Bol, basketball player and activist. At 7 feet, 7 inches (2.31 meters), Bol was one of the tallest players ever to appear in the National Basketball Association. Bol was officially measured at 7 feet, 6 3/4 inches tall by the Guinness Book of World Records.