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American boxer Muhammad Ali (born Cassius Marcellus Clay Jr. before his converting to Islam) with African-American Muslim minister, public speaker, and human rights activist Malcolm X (born Malcolm Little), after Ali beat Sonny Liston at world heavyweight championship. (Photo by Bob Gomel/Sygma/Sygma via Getty Images)

American boxer Muhammad Ali (born Cassius Marcellus Clay Jr. before his converting to Islam) with African-American Muslim minister, public speaker, and human rights activist Malcolm X (born Malcolm Little), after Ali beat Sonny Liston at world heavyweight championship. (Photo by Bob Gomel/Sygma/Sygma via Getty Images)