Muhammad Ali born Cassius Marcellus Clay Jr.; January 17, 1942 – June 3, 2016) was an American professional boxer and activist.
he is regarded as one of the most significant sports figures of the 20th century, and is frequently ranked as the greatest heavyweight boxer of all time
In 1999, he was named Sportsman of the Century by Sports Illustrated and the Sports Personality of the Century by the BBC.
Born and raised in Louisville, Kentucky, he began training as an amateur boxer at age 12. At 18, he won a gold medal in the light heavyweight division
He became a Muslim after 1961. He won the world heavyweight championship from Sonny Liston in a major upset on February 25, 1964, at age 22.
He fought in several historic boxing matches. Outside boxing, Ali attained success as a spoken word artist, releasing two studio albums
He also featured as an actor and writer, releasing two autobiographies. Ali retired from boxing in 1981 and focused on religion, philanthropy and activism.
At the time of his death in 2016 at age 74, Ali had an estimated net worth of $80 million, according to Forbes.