Regents' Room with James Smithson's Coffin, by Unknown, 1904, Smithsonian Archives - History Div, James Smithson's (c.1765-1829) casket in the Regents' Room, South Tower of the Smithsonian Institution Building or "Castle," before its transfer to the Crypt at the North Entrance. An exhibit of Smithson memorabilia can be seen in cases along the wall. Smithson's remains were brought to the United States by Smithsonian Regent Alexander Graham Bell. Also visible is the Regents' Room fireplace designed by Hornblower and Marshall, flanked by chairs designed by James Renwick..