Chief Justice Warren Speaking at the Museum of History and Technology Dedication, by Unknown, January 22, 1964, Smithsonian Archives - History Div, Chief Justice Earl Warren, Chancellor of the Smithsonian Board of Regents, stands at the lectern speaking to attendees at the dedication of the Museum of History & Technology, now known as the National Museum of American History. To his right, seated are Senator Leverett Saltonstall, Regent; William A. M. Burden, Regent, and Leonard Carmichael, Secretary of the Smithsonian. To his left is President Lyndon B. Johnson and and unidentified man..