AVE6327541: Puerto Rico, 1960s: Boy and girl shake hands / Bridgeman Images

AVE6327547: Puerto Rico, 1960s: Fortress El Morro on the edge of the island / Bridgeman Images

AVE6327565: Puerto Rico, 1960s: Men walk down steps of government building lined with columns / Bridgeman Images

AVE6327580: United States, 1970s: man drives mine vehicle through shaft / Bridgeman Images

AVE6327616: United States, 1930s: Television antennas stand atop houses as actor Milton Berle acts / Bridgeman Images

AVE6327631: Germany, 1940s: A rocket prepares to launch in a testing facility / Bridgeman Images

AVE6327634: Germany, 1940s: A German rocket attempts to launch in 1943 / Bridgeman Images

AVE6327649: United States, 1950s: Low angle views of James Van Allen / Bridgeman Images

AVE6327703: United States, 1950s: A rocket starts to get smoke as it stands next to a launch pad / Bridgeman Images

AVE6327709: United States, 1950s: Dr. Goddard, a pioneer in rocketry, attempts to test his parachute in a field / Bridgeman Images

AVE6327715: United States, 1950s: Cars are tested in snow and on a rail track / Bridgeman Images

AVE6327751: United States, 1990s: Photographs of galaxies / Bridgeman Images

AVE6327754: United States, 1990s: Animation of space, galaxy forming / Bridgeman Images

AVE6327793: America, c.1990s: POV from base of robotic arm: Astronaut in space, attached to robotic arm, carrying a satellite capture bar / Bridgeman Images

AVE6327796: America, c.1990s: Extreme long shot from below the space shuttle Endeavour as it soars into the sky / Bridgeman Images

AVE6327802: 1950s: Male professor stands at chalkboard with drawing of two people / Bridgeman Images

AVE6328463: United States, 1960s: police officer talks to men after presentation in classroom / Bridgeman Images

AVE6328481: United States, 1960s: police car drives on road / Bridgeman Images

AVE6328487: United States, 1960s: ambulance arrives by car in street at night / Bridgeman Images

AVE6328502: United States, 1960s: police man cuts umbilical cord / Bridgeman Images

AVE6328565: United States, 1960s: Group of singers on set, sing into camera / Bridgeman Images

AVE6328595: United States, 1960s: Panning shot of different desserts / Bridgeman Images

AVE6328598: United States, 1960s: Electric mixer mixing food in bowl / Bridgeman Images

AVE6328625: United States, 1960s: Two irons side by side, one steaming / Bridgeman Images

AVE6328634: United States, 1960s: Soup in electric cooker / Bridgeman Images

AVE6328643: United States, 1960s: Electric skillet with lid / Bridgeman Images

AVE6328646: Man and Lady Prepare to Turn their Basement into a Nuclear Bunker / Bridgeman Images

AVE6328658: Man Walks Down Stairs with Hands in Pockets / Bridgeman Images

AVE6328664: Decorations Made from Gold / Bridgeman Images

AVE6328676: Boy Kisses his Mother / Bridgeman Images

AVE6327855: America, c.1990s: Medium shot: Astronaut in space receives telecom instruction while attaching capture bar on satellite / Bridgeman Images

AVE6327888: America, c.1990s: Perspective from exterior of space shuttle Endeavour / Bridgeman Images

AVE6327891: 1960s: Hot liquid bursts from test tube / Bridgeman Images

AVE6327927: America, c.1990s: Video from inside space shuttle Endeavour of satellite in orbit / Bridgeman Images

AVE6327930: America, c.1990s: Long shot of two astronauts working on exterior of space shuttle Endeavour / Bridgeman Images

AVE6327942: America, c.1990s: Three astronauts, attached to robotic arms, receive telecom instructions while working with satellite near exterior of space shuttle Endeavour / Bridgeman Images