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Photographer: Roy Kemp

Two boys read comic books while attending a summer camp run by the National Association for Gifted Children on August 17, 1967. 

Before the first moonwalk took place, astronaut Edward White took America's first space walk on July 3, 1965. White was one of the three-man crew who later perished in the ill-fated Apollo 1 fire.

Neil Armstrong became the first human to set foot on the moon on July 20, 1969. Armstrong, along with Buzz Aldrin, walked among the moon's dirt and surface rock for three hours.

Couples dance to "The Twist" on June 17, 1962, as another kiss on board the steamer Royal Daffodil II. This trip across the English Channel featured 12 hours of music by 10 bands, and the resulting dance craze stormed the nation after Chubby Checker's song by the same name appeared on Dick Clark's "American Bandstand" in 1960.