In 1955, the American psychologist George A. Kelly published two-volumes introducing the world to personal construct psychology. The premise of Kelly’s theory was straightforward, yet radical.

For more on personal construct therapy, check out this brief video. Personal construct theory remains alive and well. It has organizations in the US, Europe, and Australia.

Douglas McGregor's landmark book, The Human Side of Enterprise, changed the path of management thinking and practice by questioning fundamental assumptions about human behavior in organizations.

Philip Bobko, Alex J. Barelka, Leanne M. Hirshfield, Joseph B. Lyons, Invited Article: The Construct of Suspicion and How It Can Benefit Theories and Models in Organizational Science, Journal of ...