William S. Casselberry
From Kook Science
|William S. Casselberry|
|Born||1 December 1892|
Pittsburgh, Allegheny Co., Pennsylvania
|Died||19 March 1979 (86)|
Santa Barbara, California
|Workplace(s)||Mytiner & Casselberry Inc.|
William Sturgeon Casselberry (December 1, 1892 - March 19, 1979) was an American consulting psychologist and co-developer, with Lee S. Mytinger, of the direct sales franchising system used by Nutrilite Products, the forerunner of modern multi-level marketing schemes.
- Casselberry, William S. (1938), How to Use Psychology in Everyday Living
- Mytinger, Lee S.; Casselberry, William S.; Rehnborg, Carl F. (1945), How to Get Well and Stay Well, Long Beach, Calif.: Mytinger & Casselberry Inc.
- Casselberry, William S. (1964), How to Work Miracles in Your Life: The Golden Secret of Successful Living, West Nyack, N.Y.: Parker Pub. Co.