The Age of HereticsThe Age of Heretics WHEN THE FIRST EDITION OF The Age of Heretics was published to wide critical acclaim in 1996, it was considered the definitive account of the revolution in management from the 1940s to the current time. In this second edition of his bestselling book, author Art Kleiner explores the nature of effective leadership in times of change and defines its importance to the corporation of the future. He describes a heretic as a visionary who