He became an advisor to President Franklin D. Hill's works examined the power of personal beliefs, and the role they play in personal success. 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).
He is widely considered to be one of the great writers on success. Napoleon Hill was an American author in the area of the new thought movement who was one of the earliest producers of the modern genre of personal-success literature.
