Kitty Cone and Brad Lomax were key players in the 1977 sit-ins which pressured the Department of Health and Human Services to establish policies to implement section 504 of the 1973 Rehabilitation Act.
Research:

James Braid, Surgeon and Father of Hypnotism
43:36

Gladys Bentley
40:09

SYMHC Classics: Moms Mabley
33:10