Billy Pierce was a choreographer, born in 1890, who died in 1933.
Biography
Billy Pierce (14 June 1890 – 11 April 1933) was an African American choreographer, dancer and dance studio owner who has been credited with the invention of the Black Bottom dance that became a national craze in the mid-1920s.
From the Wikipedia article “Billy Pierce (choreographer)”, licensed under CC BY-SA 4.0.
Facts from Wikidata (Q18715703), CC0.