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David McClelland

American psychologist
David Clarence McClelland was an American psychologist, noted for his work on motivation Need Theory. He published a number of works between the 1950s and the 1990s and developed new scoring systems for the Thematic Apperception Test and its... Wikipedia
Born: May 20, 1917, Mount Vernon, NY
Died: March 27, 1998 (age 80 years), Lexington, MA
Spouse: Marian Adams McClelland (m. ?–1998) and Mary Sharpless McClelland (m. ?–1980)
Notable work: Need Theory