AVE6322335: United States, 1960s: lady picks up magazine at shopping check out / Bridgeman Images

AVE6322347: United States, 1960s: check out lady looks at cheese in hand / Bridgeman Images

AVE6322500: United States, 1950s: View of sound waves / Bridgeman Images

AVE6320201: Europe, 1940s: Ladies carry bedding / Bridgeman Images

AVE6320273: Europe, 1940s: man carries delayed action bomb from ruins of house in London / Bridgeman Images

AVE6320312: United States, 1980s: cartoon animation of t-cell messenger cell activating immune response / Bridgeman Images

AVE6320333: Europe, 1940s: smoke as plane engine starts / Bridgeman Images

AVE6319433: 1970s: Spark plugs in machine / Bridgeman Images

AVE6319436: Shots of ruined house / Bridgeman Images

AVE6319439: Boy looks at house with an X on the wall / Bridgeman Images

AVE6319445: Men talking in office / Bridgeman Images

AVE6319451: Men constructing walls for house / Bridgeman Images

AVE6319466: United States, 1950s: Politicians in chamber, man puts tape player on table / Bridgeman Images

AVE6319469: United States, 1950s: Aerial view of neighborhood / Bridgeman Images

AVE6319477: United States, 1950s: View of house, quick pan to houses across street / Bridgeman Images

AVE6319423: 1970s: Man picks up boxes in stockroom / Bridgeman Images

AVE6319495: United States, 1950s: Dwight D Eisenhower speaks at press conference / Bridgeman Images

AVE6319501: United States, 1950s: Man walks through alley / Bridgeman Images

AVE6319530: United States, 1950s: Henry Ford's 999 racing car / Bridgeman Images

AVE6319545: United States, 1950s: farmer and horse in stable / Bridgeman Images

AVE6319596: United States, 1950s: Ford, Burrows, Edison, and Firestone enjoy breakfast and camping / Bridgeman Images

AVE6319617: Factory Gates / Bridgeman Images

AVE6319686: Astronauts Inside Flight Simulator / Bridgeman Images

AVE6319704: 1920s: Lindbergh stands at attention / Bridgeman Images

AVE6319725: 1950s: Rocket shoots into sky / Bridgeman Images

AVE6319758: 1969: Richard Nixon speaks at podium / Bridgeman Images

AVE6319529: United States, 1950s: lady and men on sail powered automobile / Bridgeman Images

AVE6319544: United States, 1950s: man falls off bicycle on rough path / Bridgeman Images

AVE6319589: United States, 1950s: Henry Ford country dances / Bridgeman Images

AVE6319613: United States, 1950s: children wait for school bus at school building / Bridgeman Images

AVE6319679: 1960s: Side of rocket in takeoff / Bridgeman Images

AVE6319724: 1950s: Men combine parts of rocket / Bridgeman Images

AVE6319727: 1960s: Flare in sky bursts into two smoke columns, plumes / Bridgeman Images

AVE6319736: 1960s: Cloudy sky / Bridgeman Images

AVE6319764: A man eats as a woman beings to knead dough / Bridgeman Images

AVE6319776: A baker trains an apprentice in the process of baking bread / Bridgeman Images