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Jazz, a popular music genre that originated from African American communities in New Orleans in the late 19th and early 20th centuries, cannot be credited to a single individual for making it famous. It is the result of a rich blend of cultural influences and innovation from numerous artists and communities.

However, there are a few influential figures that significantly contributed to the worldwide recognition of jazz:

1. Louis Armstrong: Known as “Satchmo,” Armstrong was a charismatic singer, trumpeter, and entertainer. His distinctive gravelly voice and expressive trumpet stylings made him one of the most recognizable artists in the world during the 1920s and 1930s, helping to popularize jazz globally.

2. Duke Ellington: A prolific composer, pianist, and bandleader, Ellington was among the most influential figures in jazz history.