AVE6324239: United States 1950s: An instrument is used to observe the thyroid of a patient / Bridgeman Images

AVE6324246: United States 1950s: Scientists build a green house inside a building / Bridgeman Images

AVE6324255: United States 1950s: A man climbs up a telephone pole as manufacturing plants emit smoke / Bridgeman Images

AVE6324270: 1970s: UNITED STATES: side profile of face. Playing cards on table. / Bridgeman Images

AVE6324272: 1970s: UNITED STATES: girls cook in kitchen. / Bridgeman Images

AVE6324273: 1970s: UNITED STATES: Girls walk along street. / Bridgeman Images

AVE6324287: 1970s: UNITED STATES: close up of girl's face. Girl in record store. / Bridgeman Images

AVE6324291: 1970s: UNITED STATES: girl cooks in kitchen. Girl puts lid on pan. / Bridgeman Images

AVE6324303: 1970s: UNITED STATES: students smoke at home together. / Bridgeman Images

AVE6324315: 1970s: UNITED STATES: side profile of girl in car. / Bridgeman Images

AVE6324332: United States: 1950s: siren on top of building. / Bridgeman Images

AVE6324334: United States: 1950s: Man stands by water cooler. / Bridgeman Images

AVE6324340: United States: 1950s: men discuss information at RADEF, Blast, and Fire desk. / Bridgeman Images

AVE6324342: United States: 1950s: man picks up geometric stationary to draw on maps. / Bridgeman Images

AVE6324373: United States: 1950s: Illustration shows nuclear fallout stations. / Bridgeman Images

AVE6324378: 1930s: Title card: Along Custer Battlefield Highway / Bridgeman Images

AVE6324380: United States: 1950s: Man points at map of radiation dose rates. / Bridgeman Images

AVE6324387: United States: 1950s: men gather around emergency response desk. / Bridgeman Images

AVE6324389: 1930s: Title card: Mile after mile of prairies / Bridgeman Images

AVE6325719: United States, 1970s: Priest speaks into microphone, sits back / Bridgeman Images

AVE6325721: United States, 1970s: View of houses, zoom in to plane flying overhead / Bridgeman Images

AVE6325722: United States, 1970s: Woman tossing in bed / Bridgeman Images

AVE6325732: United States, 1970s: Two teenage boys with long hair in stopped car talk to two teen girls outside / Bridgeman Images

AVE6325745: United States, 1970s: Car drives fast down mountain road / Bridgeman Images

AVE6325752: United States, 1970s: Two teenage boys admire a car / Bridgeman Images

AVE6325754: United States, 1970s: Wrist with watch / Bridgeman Images

AVE6325770: 1950s: Large audience of soldiers in uniform sit in bleachers outdoors / Bridgeman Images

AVE6325774: 1950s: Marian Anderson wears cap and gown, sings, closes eyes, looks emotional, gestures with hands outstretched / Bridgeman Images

AVE6325778: 1950s: People wearing sandals tap feet / Bridgeman Images

AVE6325779: 1950s: Marian Anderson holds flowers, hugs children with conical hats, shakes hands, "Welcome to Vietnam" banner / Bridgeman Images

AVE6325791: 1950s: Classroom, Thai children in uniforms sit at desks / Bridgeman Images

AVE6325801: 1950s: Classroom, Thai children in uniforms sit at desks / Bridgeman Images

AVE6325806: 1950s: Marian Anderson sings with eyes closed on theater stage in front of curtain / Bridgeman Images

AVE6325816: 1940s: Soldier sits and cries while talking. / Bridgeman Images

AVE6325824: 1950s: People sit in audience, word Manila appears on screen / Bridgeman Images

AVE6325825: 1940s: Soldier sits at table talking to psychiatrist. / Bridgeman Images