Frederick Douglass Biography A self-taught escaped slave, statesman, and leader of the American Abolitionist Movement, Frederick Douglass is best known for his speeches and auto-biographies, in which he stressed the universal equality of all humans. Articles See More Frederick Douglass Sep 3rd, 1848 You Are a Man And So Am I Frederick Douglass argues that slavery “destroys the central principle of human responsibility” and violates the Constitution in three short essays. Podcasts See More Frederick Douglass: What to the Slave is the Fourth of July? Frederick Douglass and Caleb O. Brown