[Muhammad Ali]

[Muhammad Ali kissing 13-month-old daughter, Hana, New York]

[Martin Luther King Jr. leading second march from Selma to Montgomery, Alabama]

[Martin Luther King Jr. speaking, Mason Temple, Memphis]

[John Glenn practicing top-egress training from Mercury spacecraft, Cape Canaveral, Florida]

Yom Kippur War: Forward position

[John Glenn and Scott Carpenter examining notes from simulated flight, Cape Canaveral, Florida]

[John Glenn looking at plastic globe charting his orbital flight, Cape Canaveral, Florida]