Thomas J. Dorsey liberated himself from enslavement and became one of the most sought-after caterers in Philadelphia. His son William Henry Dorsey was born a free Black man before the Civil War, and became an artist, collector and scrapbooker.
Research:

Behind the Scenes Minis: Smashing Linoleum
19:47

Frederick Walton and the Invention of Linoleum
41:32

Swing Riots
36:33