On September 15, 1969, Apollo 11 astronauts, (left to right) Edwin E. Aldrin Jr., Lunar Module pilot; Michael Collins, Command Module pilot; and Neil A. Armstrong, commander, show a two-pound Moon rock to Frank Taylor, then Director General of Museums at the Smithsonian Institution in Washington D.C. The rock was collected on the lunar surface during the Extra Vehicular Activity (EVA) of Aldrin and Armstrong and presented to the Smithsonian for display in the Art and Industries Building.