"Treasures from the Cooper Union" Exhibit, by Unknown, 1967, Smithsonian Archives - History Div, A display of furniture and art work at the National Collection of Fine Arts, now the Smithsonian American Art Museum, exhibition "Treasures from the Cooper Union" at the National Museum of Natural History, July 13 - September 24, 1967. After the Smithsonian Institution took over the Cooper Union Museum in New York City on July 1, 1968, it was renamed the Cooper-Hewitt, National Design Museum..