AVE6320723: United States, 1950s: Exterior views of the Kremlin / Bridgeman Images

AVE6320729: United States, 1950s: City square, officials ride horses through crowd / Bridgeman Images

AVE6320774: 1970s: Boy in wheelchair works with blocks / Bridgeman Images

AVE6320813: 1970s: Men examine x-rays / Bridgeman Images

AVE6320843: 1960s: Sun sets above trees / Bridgeman Images

AVE6320867: 1960s: Man sits and talks rapidly into microphone while making wild gestures / Bridgeman Images

AVE6320894: 1960s: Woman sits talking / Bridgeman Images

AVE6320915: 1960s: Houses on shore of river as boat goes by / Bridgeman Images

AVE6321361: United States, 1960s: Cement truck driving from factory / Bridgeman Images

AVE6321445: United States, 1940s: Hand closes safe / Bridgeman Images

AVE6321481: United States, 1940s: A man unfolds a paper hat and places it on a little girls head / Bridgeman Images

AVE6321493: United States, 1940s: Harry Truman and James F Byrnes aboard ship / Bridgeman Images

AVE6321499: United States, 1940s: View of nuclear explosion / Bridgeman Images

AVE6321505: United States, 1940s: Man waves plane to stop on runway / Bridgeman Images

AVE6321569: United States, 1970s: Dissolve to close up, hands stack Lego pieces / Bridgeman Images

AVE6321590: United States, 1970s: Girl takes cookie jar from cupboard / Bridgeman Images

AVE6321062: 1950s: Family eating around fire / Bridgeman Images

AVE6321080: 1950s: Animal bones / Bridgeman Images

AVE6321113: United States, 1970s: A bartender prepare a cocktail at a disco bar / Bridgeman Images

AVE6321122: United States, 1970s: A police officer interviews a woman who shares her story / Bridgeman Images

AVE6321315: 1960s: Space rocket prepares to launch at night / Bridgeman Images

AVE6321641: United States, c.1950: Teacher tells kids to duck and cover under their desks / Bridgeman Images

AVE6321665: United States, 1940s: Ants crawl on honey jar / Bridgeman Images

AVE6321984: Men Work on One Section of a Giant Turbine / Bridgeman Images

AVE6322008: Man Reads by Candle Light / Bridgeman Images

AVE6322023: United States, 1950s: man speaking to another man, man walks away / Bridgeman Images

AVE6322062: United States, 1950s: Close up of girl in audience / Bridgeman Images

AVE6322074: United States, 1950s: Woman climbs up ladder at circus, stands on trapeze / Bridgeman Images

AVE6322183: USA, 1950s: Animation of molecules leaving cells and entering blood stream in process of respiration and metabolism / Bridgeman Images

AVE6321351: United States, 1960s: Long shot of people on beach / Bridgeman Images

AVE6321390: United States, 1960s: Plane takes off / Bridgeman Images

AVE6321402: United States, 1940s: Bottles being loaded onto rotating conveyer belt and filled with chocolate milk / Bridgeman Images

AVE6320006: United States, 1960s: Early planes refuel in sky during flight / Bridgeman Images

AVE6320012: United States, 1960s: Missile travels towards sky / Bridgeman Images

AVE6321435: United States, 1940s: Photograph of Franklin D. Roosevelt, zoom out to newspaper headline / Bridgeman Images

AVE6321438: United States, 1940s: Crowd of people, couple crying / Bridgeman Images