Henry Grady Weaver (24 December 1889 - 3 January 1949) was the director of Customer Research Staff for General Motors Corporation, and shown on the cover of the 14 November 1938 issue of Time magazine. He is credited with developing the use of the survey questionnaire to investigate customer preferences for design features in cars. He is best known for his work, The Mainspring of Human Progress.
- ISBN 1572460644: Paperback, Foundation for Econ Education, 3rd Rev edition, 1997
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