He was one of the most celebrated sportsmen of the 20th century - the only boxer ever to win the world heavyweight title three times.
But his global standing has been earned as much from his work outside the ring as in.
He called himself 'The Greatest' and few disagreed.
After a legendary boxing career of 20 years, Muhammad Ali was diagnosed with Parkinson's Disease in the mid 1980s.
He died on late on Friday at the age of 74. So, how will the world remember Muhummad Ali? The Greatest ?