John Adair (author) at the University of Exeter from 1990 to 2000. He is currently an Emeritus Fellow of the Windsor Leadership Trust where he regularly speaks on Leadership development programmes. Since 2006, he has been Honorary Professor of Leadership at the China Executive Leadership Academy in Pudong. In 2009 he was appointed Chair of Leadership Studies United Nations System Staff College in Turin. He is President of Adair International. John Adair (author) Professor John Eric Adair (born 18 May 1934) is a British academic who is a leadership theorist and author of more than forty books (translated into eighteen languages) on business,
Kurt Lewin 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 University of Berlin, Lewin took 14 courses with Carl Stumpf. He served in the German army when World War I began. Due to a war wound, he returned to the University of Berlin to complete his PhD, with Carl Stumpf (1848–1936) the supervisor of his doctoral thesis. Lewin had written a dissertation proposal asking Stumpf to be his supervisor, which Stumpf had accepted. Even