John Adair (author) 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, military and other leadership. Adair was born in Luton and educated at St Paul's School before undertaking his National Service as a second lieutenant in the Scots Guards from 1953 to 1955. Unusually, he served as adjutant of a Bedouin regiment in the Arab Legion and was briefly in command of the garrison of Jerusalem in the front line. He also studied at Hull Nautical College (where
Kurt Lewin foundational model for making change in organizations. There is now evidence, however, that Lewin never developed such a model and that it took form after his death in 1947. Lewin's equation, "B" = "ƒ"("P", "E"), is a psychological equation of behavior developed by Kurt Lewin. It states that behavior is a function of the person in their environment. The equation is the psychologist's most well known formula in social psychology, of which Lewin was a modern pioneer. When first presented in Lewin's book "Principles of Topological Psychology", published in 1936, it contradicted most popular theories in that it gave importance