Kurt Zadek Lewin or Kurt Tsadek Lewin ( LOO-in, lə-VEEN; German: [leˈviːn]; 9 September 1890 – 12 February 1947) was a German-American psychologist, known as one of the modern pioneers of social, organizational, and applied psychology in the United States. During his professional career, Lewin's academic research and writings focuses on applied research, action research, and group communication. Lewin is often recognized as the "founder of social psychology" and was one of the first to study group dynamics and organizational development. A Review of General Psychology survey, published in 2002, ranked Lewin as the 18th-most cited psychologist of the 20th century. During his career, he was affiliated with several U.S. and European universities, including the University of Berlin, Cornell University, MIT, Stanford University, and the University of Iowa.
Early life and education Lewin was born in 1890 into a Jewish family in Mogilno, County of Mogilno, Province of Posen, Prussia in present-day Poland, a small town with then about 5,000 residents, about 150 of whom were Jewish. Lewin received an orthodox Jewish education at home. He was one of four children born into a middle-class family. His father owned a small general store, and the family lived in an apartment above the store. His father, Leopold, operated a farm jointly with his brother Max; however, the farm was legally owned by a Christian because Jews were not permitted to own farms at the time. In 1905, Lewin moved with his family to Berlin, so Lewin and his brothers could receive a better education. From 1905 to 1908, Lewin experienced hair loss. Lewin studied at the Kaiserin Augusta Gymnasium, where he received a classical humanistic education. In 1909, he entered the University of Freiburg to study medicine, but transferred to the Ludwig-Maximilians-Universität München to study biology. At the Ludwig-Maximilians-Universität München, he became involved with the socialist and women's rights movements around this time. In April 1910, Lewin transferred to the Royal Friedrich Wilhelm University of Berlin, where he was still a medical student. By the Easter semester of 1911, his interests had shifted toward philosophy. By the summer of 1911, the majority of his courses were in psychology. While at the Friedrich Wihelm University of Berlin, Lewin took 14 courses with Carl Stumpf (1848–1936). When World War I began, he served in the Imperial German Army, during which he sustained a war wound and returned to the Friedrich Wilhelm University of Berlin to complete his PhD. Lewin wrote a dissertation proposal asking Stumpf to be his supervisor, and Stumpf assented. Even though Lewin worked under Stumpf to complete his dissertation, their relationship did not involve much communication. Lewin studied associations, will, and intention for his dissertation, but he did not discuss it with Stumpf until his final doctoral examination.
Career
Academia
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