"I am an invisible man. No, I am not a spook like those who haunted Edgar Allan Poe; nor am I one of your Hollywood-movie ectoplasms. I am a man of substance, of flesh and bone, fiber and liquids--and I might even be said to possess a mind. I am invisible, understand, simply because people refuse to see me."

 - Ralph Ellison's "Invisible Man"

Page 5 of book, The Five Negro Presidents, by J. A. Rogers

Page 5 of book, The Five Negro Presidents, by J. A. Rogers

The last paragraph of page 5 of the book states: "Interracial intercourse was very common then.  George Washington had a Negro son and Jefferson mulatto daughters. (Research done by Angela Allen Henry).