[John F. Kennedy awarding NASA's Distinguished Service Medal to John Glenn, Cape Canaveral, Florida]

[John F. Kennedy speaking at news conference, Washington, DC]

[John F. Kennedy]

[John F. Kennedy speaking on the Cuban crisis]

[Scott Carpenter with his daughters explaining his three-orbit flight to John F. Kennedy and Walter Williams, Washington, DC]

[John F. Kennedy speaking, with background sketch of his speech writer Ted Sorensen]

[Former heavyweight champion Muhammad Ali with sparring partner Gene Wells, Navy Pier Gym, Chicago]

[Cassius Clay speaking at a press conference, Boston]

[Muhammad Ali announcing his exhibition matches against Eddie "Bossman" Jones and Charles James, Chicago]

[Rev. H. Ralph Jackson, Martin Luther King Jr., and Rev. Ralph Abernathy, at a civil rights march, Memphis]

[Martin Luther King Jr. speaking at Illinois Labor Convention, Springfield]

[John Glenn, Mercury Control Center, Cape Canaveral, Florida]

[John Glenn, Cape Canaveral, Florida]

[John Glenn checking out Mercury spacecraft, Cape Canaveral, Florida]

[View of Earth taken from Apollo 8]

[Drawing depicting Neil Armstrong walking on moon]

[Man with woman holding child, Coney Island, Brooklyn]

[Woman on beach with two men]

[St. Francis Grocery & Fruit, New York]

[Wrought iron fence, New York]

[Rose Kennedy with children Joseph Jr., Rosemary, and John F. Kennedy]

[John F. Kennedy]

[John F. Kennedy, Solomon Islands]

[Woman and boy refugees in the subway during bombing, Madrid]