W. Clement Stone

W. Clement Stone (1902–2002) was an American entrepreneur, insurance executive, philanthropist, and author. He worked as Napoleon Hill’s manager and co-published the magazine “Success” with him, as well as the book “Mit positivem Denken zum Erfolg.” Stone also wrote “Der unfehlbare Weg zum Erfolg” and developed a set of motivational principles with Hill. He served as president of the Napoleon Hill Foundation.