A Woman to Know: Sadie Tanner Mossell Alexander

I knew well that the only way to get that door open was to knock it down; because I knocked all of them down. — Sadie T.M. Alexander

(image via Wikimedia Commons)

Sadie started at university before women had even won the right to vote. As the only black woman in her class -- and, once she graduated in 1917, the first black woman in America with a PhD in …