Visit of Emperor Hirohito to National Museum of Natural History, 1975, Smithsonian Institution Archives, Emperor Hirohito, 124th Emperor of Japan, visits the National Museum of Natural History (NMNH), with Secretary S. Dillon Ripley, Porter M. Kier, NMNH Director, Dr. Frederick M. Bayer, curator of echinoderms in the Department of Invertebrate Zoology, Dr. Joseph Rosewater, curator of mollusks in the Department of Invertebrate Zoology, Professor Hidemi Sato, University of Pennsylvania, and James F. Mello, NMNH Assistant Director..