Desmond was convicted after refusing to leave her seat in a segregated movie theater in Nova Scotia in 1946. But she also established the first beauty salon for Black women her area, and founded a beauty school for Black women.
Research:

Behind the Scenes Minis: Mary, Beulah, Baby Alive
33:26

Beulah Louise Henry
39:37

Mary Mallon & Typhoid Revisited
39:52