A Definitive Overview of Peter Drucker's Contributions to Management "Flaherty has accomplished the impossible: making a systematic thinker out of me. I am particularly impressed by his skill in balancing chronology and themes, and that over a sixty-year time span. I have learned a great deal about my work from this book." -- Peter F. Drucker "Peter F. Drucker is the organizational thought leader of the twentieth century. For the sake of our economy,...