Ali, the magnificent heavyweight champion whose fast fists and irrepressible personality transcended sports and captivated the world, has died according to a statement released by his family.
Sports promoter Don King stands between Muhammad Ali, left, the heavyweight champion, and Joe Frazier in New York.
Challenger Muhammad Ali watches as defending world champion George Foreman goes down to the canvas in the eighth round of their WBA/WBC championship match in Kinshasa, Zaire.
Challenger Joe Frazier as heavyweight champion Muhammad Ali connects with a right in the ninth round of their title fight in Manila, Philippines.
George Foreman taking a right to the head from challenger Muhammad Ali in the seventh round in the match dubbed Rumble in the Jungle in Kinshasa, Zaire.
Heavyweight champion Muhammad Ali is held back by referee Joe Walcott, left, after Ali knocked out challenger Sonny Liston in the first round of their title fight in Lewiston, Maine.
Heavyweight champion Muhammad Ali, then known as Cassius Clay, stands over challenger Sonny Liston, shouting and gesturing shortly after dropping Liston with a short hard right to the jaw, in Lewiston, Maine.
Muhammad Ali, center, with the support of sister in-law Marilyn Williams, left, and wife Lonnie, walks through the Muhammad Ali Parkinson Center at Barrow Neurological Institute at St. Joseph's in Phoenix.
Muhammad Ali is shown before the Ali Humanitarian Awards ceremony in Louisville, Ky. A spokesman for boxing great Muhammad Ali says the former heavyweight champion is being treated in a hospital for a respiratory issue.
world heavyweight boxing champion Muhammad Ali is shown trying to evade kicks by wrestler Antonio Inoki during their 15-round World Martial Arts match, in Tokyo.