Crown Prince and Princess of Japan at NMAH, by Long, Eric, 1987, Smithsonian Archives - History Div, Visit of the Crown Prince Akihito and Princess Michiko of Japan to the National Museum of American History (NMAH). Photo shows: (from l.), NMAH Director Roger Kennedy, Secretary Adams, the Prince and Princess as well as members of the entourage and onlookers, admiring the John Bull locomotive..