Frederick Douglass, a former slave and eminent human rights leader in the abolition movement, was the first black citizen to hold a high U.S. government rank. He became one of the most famous intellectuals of his time, advising presidents and lecturing to thousands.
Quotes to live by Albert Einstein Albert Einstein is one of the most respected figures in the whole world. He believed was the most intelligent person who has ever lived on this earth. Believed to have IQ (Intellligence Quotient) or intelligence quotient of more than 180, Albert Einstein was already recognized as a great person.