North Front of the Museum of History and Technology, by Unknown, 1961, Smithsonian Archives - History Div, Rendering of the north front of the Museum of History and Technology (MHT), now the National Museum of American History (NMAH), photographed from a colored drawing made by Elliot Glushak in 1961. The building was designed by the architectural firm McKim, Mead, and White and their successor firm, Steinman, Cain, and White. The museum opened to the public on January 23, 1964. The Washington Monument is drawn on the right..