 Those strong family values really start by her father, Thomas L. Jennings. He's eulogized by Frederick Douglass in a 900-word obituary that he writes himself, just to show you how important her father really was. In the early 1820s, Jennings owns one of the largest tailoring houses in New York City, and he begins experimenting with chemicals to clean fabrics. And in 1821, he's granted a patent for the process of dry scouring clothes. And in short,