[Scientist collecting ash and cinder samples, Cinder Lake, Arizona]

[Apollo 12 crewman preparing Lunar Surface Experiments Package]

[Donald K. Slayton, Jack Robert Lousma, and Thomas Kenneth Mattingly checking on Apollo 13, Mission Control, Manned Spacecraft Space Center, Houston]

[Friendship 7 spacecraft during its launch, NASA Manned Spacecraft Center, Cape Canaveral, Florida]

[Film still of Muhammad Ali and Joe Frazier from William Greaves's "Ali the Fighter"]

[Muhammad Ali signing copies of his autobiography "The Greatest," New York]

[Muhammad Ali]

[Muhammad Ali and Ken Norton, San Diego]