With the possible exception of Dr. Martin Luther King, Jr., no African American has been more instrumental in the fight for minorities' civil rights in the United States than Frederick Douglass 1818–1895), an American social reformer, orator, writer and statesman. His list of accomplishments would be impressive enough even without taking into account the fact that he was born into slavery.

After escaping from slavery, Douglass became

Redlaw is a teacher of chemistry who often broods over wrongs done him and grief from his past.
He is haunted by a spirit, who is not so much a ghost as Redlaw's phantom twin and is "an awful likeness of himself...with his features, and his bright eyes, and his grizzled hair, and dressed in the gloomy shadow of his dress..." This specter appears and proposes to Redlaw that he can allow him to "forget the sorrow, wrong, and trouble you have