Charles F. Haanel
New Thought author and businessman
Charles F. Haanel was an American businessman and New Thought writer who wrote The Master Key System, a course in mental development.
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American Born 1866 in Ann Arbor, United States Died 1949
About Charles F. Haanel
Charles Francis Haanel was born in Ann Arbor, Michigan, in 1866 and died in 1949. He began his business career in St. Louis, then left his job to start his own company. The Master Key System is structured as a study course, with exercises attached to each chapter. It covers mental development, money and health, and it had sold over 200,000 copies worldwide by 1933. Haanel also wrote Mental Chemistry and The New Psychology.