Muhammad Ali, born Cassius Clay on Jan. 17, 1942, is regarded as one of the top professional boxers of all time. He was an activist who spent his life fighting for and enacting change.

The making of a champion: Ali’s early years American Heavyweight boxer, Cassius Clay (later Muhammad Ali, 1942 – 2016), making a fist as he lies on his hotel bed, London, 27th May 1963.

Foreman attended Ali's memorial and funeral service when Ali died in 2016. But the relationship got off to a rocky start in 1974 leading up to "The Rumble in the Jungle,'' their fight in Zaire.

Musical ‘Ali’ About the Life of Boxing Legend Muhammad Ali Is Being Developed for Broadway Produced in partnership with the sports icon and activist's wife Lonnie Ali, the show will be written ...

Muhammad Ali, left, Liberace and Hulk Hogan pose for photos ahead of Wrestlemania I on March 29, 1985, at Madison Square Garden. Ali is being inducted into the WWE Hall of Fame later this year.