Muhammad Ali, Ellen Roney Hughes, and Carl Scheele in the National Museum of History and Technology, by Hofmeister, Richard K, March 17, 1976, Smithsonian Archives - History Div, Muhammad Ali and Curators Ellen Roney Hughes and Carl Scheele during Ali's visit to the National Museum of History and Technology, now the National Museum of American History, on March 17, 1976, when he donated a pair of boxing gloves and a robe to the museum for the Nations of Nations exhibition..