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,
John Lewin or printmaker, his large scale natural history watercolours of exotic Australian plants and animals appears to have found a steady market. He also seems to have had ambitions to be considered a professional artist, as opposed to simply an illustrator: he noted in 1812 that he had painted a 15 x 18 foot image of a corroboree. Lewin appears to have permanently settled in Australia, where he was one of the few professional artists, a fact from which he gained socially and professionally. John Lewin John William Lewin (1770 – 27 August 1819) was an English-born artist active in Australia