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:

Behind the Scenes Minis: Smashing Linoleum
19:47

Frederick Walton and the Invention of Linoleum
41:32

Swing Riots
36:33