British composer Samuel Coleridge-Taylor was a standout both for his talent, and also because he was a Black artist who moved in almost entirely white circles. His most famous work is a cantata he composed in his early 20s.
Research:

Elizabeth Bisland, Beyond the Trip Around the World
42:54

SYMHC Classics: Marie Laurencin
32:46

Behind the Scenes Minis: Censorship Cats
26:59