- male, deceased (1967)
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- Wolfgang Köhler (January 21, 1887, Reval (now Tallinn), Estonia – June 11, 1967, New Hampshire) was a German Gestalt psychologist. In 1909 he rec...
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- male, deceased (1947)
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- Kurt Zadek Lewin (September 9,1890 - February 12,1947), a German-born psychologist, is one of the modern pioneers of social, organizational, and...
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