Napoleon Hill (October 26, 1883 – November 8, 1970) was an American author who was one of the earliest producers of the modern genre of personal-success literature. He is widely considered to be one of the great writers on success.^[1] His most famous work, Think and Grow Rich (1937), is one of the best-selling books of all time (at the time of Hill's death in 1970, Think and Grow Rich had sold 20 million copies).^[2] Hill's works examined the power of personal beliefs, and the role they play in personal success.