William S. Casselberry

From Kook Science

William S. Casselberry
Born 1 December 1892(1892-12-01)
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.

Selected Bibliography

  • 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.