AVE6328025: United States, 1950s: Scientists who helped produce weapons for Germany take their inventions and leave their hideout / Bridgeman Images

AVE6327841: 1950s: Male professor stands next to tape player / Bridgeman Images

AVE6327844: America, c.1990s: Medium close up: Astronaut in space receives telecom instruction while trying to attach capture bar on satellite / Bridgeman Images

AVE6327850: America, c.1990s: Medium shot: Astronaut in space receives telecom instruction while attaching capture bar on satellite / Bridgeman Images

AVE6327856: America, c.1990s: Long shot: Astronaut in space receives telecom instruction while trying to attach capture bar on satellite / Bridgeman Images

AVE6327859: 1950s: Young man speaks from seat in college classroom / Bridgeman Images

AVE6327874: 1950s: Young woman sits down in audience / Bridgeman Images

AVE6327880: America, c.1990s: Robotic arm controller assist astronaut on STS-49 mission in installing capture bar on rotating satellite / Bridgeman Images

AVE6327883: 1960s: Woman attaches car seat belt / Bridgeman Images

AVE6327892: America, c.1990s: Medium close up: Astronaut in space receives telecom instruction while installing capture bar on satellite / Bridgeman Images

AVE6327898: 1960s: Girls smile / Bridgeman Images

AVE6327910: 1960s: Glass tube over Bunsen burner flame / Bridgeman Images

AVE6327916: America, c.1990s: Video from inside space shuttle Endeavour of satellite in orbit / Bridgeman Images

AVE6327919: 1960s: Girl adjusts glassware with clamp / Bridgeman Images

AVE6327922: 1960s: Hand lights Bunsen burner with match / Bridgeman Images

AVE6327937: 1960s: Hand moves test tube in and out of flame / Bridgeman Images

AVE6327943: 1960s: Girl turns off water faucet / Bridgeman Images

AVE6327967: United States, 1950s: Rocket on launch pad at night / Bridgeman Images

AVE6328012: United States, 1950s: Two children walk along the rubble from the destruction caused by the German V2 rocket / Bridgeman Images

AVE6328015: United States, 1950s: Soldiers land on a seashore as cannons fire at their target / Bridgeman Images

AVE6328018: United States, 1950s: One by one, American soldiers find their way to European seashores / Bridgeman Images

AVE6328039: United States, 1940s: People taking down posters / Bridgeman Images

AVE6328060: United States, 1940s: Shot of cupboard / Bridgeman Images

AVE6328066: United States, 1940s: Teenagers holding banner / Bridgeman Images

AVE6328075: United States, 1960s: Stars in space / Bridgeman Images

AVE6328102: United States, 1960s: Cartoon piggybank and ten pennies / Bridgeman Images

AVE6328105: United States, 1960s: upside down piggy bank shaken / Bridgeman Images

AVE6328114: Europe, 1940s: photo of man in uniform on ground / Bridgeman Images

AVE6328126: Europe, 1940s: boy in street / Bridgeman Images

AVE6328132: Europe, 1940s: people walk to funeral in black clothes / Bridgeman Images

AVE6325738: United States, 1970s: Teenage girl sits on car hood at mountain overlook then gets up and walks away / Bridgeman Images

AVE6325759: United States, 1970s: Sports car turns out of a parking lot and other car speeding down road almost hits it / Bridgeman Images

AVE6325803: 1950s: Classroom, Thai children in uniforms sit at desks / Bridgeman Images

AVE6325830: 1940s: Soldier sits at table talking to psychiatrist. / Bridgeman Images

AVE6325839: 1940s: Soldier sits talking. / Bridgeman Images

AVE6325872: 1940s: Patient speaks and smiles of relief, breathing, falling unconscious with head tossing side to side after injection. / Bridgeman Images