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 A "Review of General Psychology" survey, published in 2002, ranked Lewin as the 18th-most cited psychologist of the 20th century. In 1890, he was born into a Jewish family in Mogilno, County of Mogilno, Province of Poznań, Prussia (modern Poland). It was a small village of about 5,000 people, 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, owned a farm jointly with his