Kurt Lewin

Kurt Zadek Lewin (1890 to 1947) was a German-American psychologist, known as one of the modern pioneers of social, organizational and applied psychology in the United States. His academic research and writing focused on applied research, action research and group communication, and he is often recognized as the founder of social psychology and as one of the first to study group dynamics and organizational development. A Review of General Psychology survey published in 2002 ranked him the 18th most cited psychologist of the twentieth century, and he was affiliated with several American and European universities, including the University of Berlin, Cornell University, MIT, Stanford University and the University of Iowa.