AVE6320535: United States, 1950s: hand picks up sugar with spoon / Bridgeman Images

AVE6320537: 1950s: Mother wets and soaps washcloth and bends to wipe / Bridgeman Images

AVE6320538: United States, 1960s: painting shows blood flow through heart chambers / Bridgeman Images

AVE6320542: 1950s: Grumpy boy at meal table / Bridgeman Images

AVE6320546: 1950s: Mother picks up rattle from floor and gives it to baby in crib / Bridgeman Images

AVE6320547: United States, 1960s: animation of valves as they open and close with blood flow in heart / Bridgeman Images

AVE6320551: United States, 1960s: close up animation of heart valves / Bridgeman Images

AVE6320552: 1950s: Toddler walks toward Father reading newspaper, Toddler ducks under newspaper to appear in front of Father / Bridgeman Images

AVE6320554: United States, 1960s: animation of blood flow through heart valves / Bridgeman Images

AVE6320555: 1950s: Mother makes sandwich at kitchen table / Bridgeman Images

AVE6320571: 1950s: Toddler pushes crying child to the ground / Bridgeman Images

AVE6320573: 1930s: People walk on the street in downtown / Bridgeman Images

AVE6320574: 1950s: Mother helps boy fix loose bow / Bridgeman Images

AVE6329315: 1950s: Electric cables connected to large metal tower / Bridgeman Images

AVE6329319: Man Typing on Typewriter in Office / Bridgeman Images

AVE6329326: Dogs Pulling Sleigh on Milton Burns Television Show / Bridgeman Images

AVE6329330: Aerial View of New York World Fair as Television is Introduced / Bridgeman Images

AVE6329335: Black and White Vintage Footage of Street in American City from Above / Bridgeman Images

AVE6329338: 1950s: Illustrated copper atom with sign / Bridgeman Images

AVE6329348: 1950s: Illustrated copper atom / Bridgeman Images

AVE6329351: Autometers and Transponders Monitoring Television Viewings / Bridgeman Images

AVE6329356: Screen Shots of Least Popular American Shows at ABC Studios / Bridgeman Images

AVE6329360: 1950s: Animated diagram of copper atoms and electrons / Bridgeman Images

AVE6329364: Scene from The Hero Being Filmed at the Hollywood Sound Stages / Bridgeman Images

AVE6329371: WFLD Credits / Bridgeman Images

AVE6329374: Man in Suit Talks Directly to Camera During Interview / Bridgeman Images

AVE6329377: 1960s: Man walks into voting booth, closes curtain behind him, flips switches on voting machine / Bridgeman Images

AVE6329379: Family Sat in Front of Television / Bridgeman Images

AVE6329386: Close Up of Man's Face as he Watches Television Programme / Bridgeman Images

AVE6329388: 1950s: Wife lies on bed / Bridgeman Images

AVE6329391: 1960s: Man stands in front of bookshelves, talks / Bridgeman Images

AVE6329393: 1950s: Husband walks to television and turns it off / Bridgeman Images

AVE6329399: 1950s: Husband kneels in front of television / Bridgeman Images

AVE6329401: 1950s: Restless husband sits in chair / Bridgeman Images

AVE6329403: 1960s: News reporter on TV sits at desk, talks / Bridgeman Images

AVE6329405: 1950s: Husband cleans chair with napkin / Bridgeman Images