This book provides a short introduction to the management concepts that have most infl uenced companies over the past century or so, and to some of the more infl uential people behind them. These people and their ideas are no longer confi ned to the pages of learned management journals or to the lecture halls of prestigious business schools. Many are mentioned nowadays in the pages of the everyday business press and in general-management training material. Yet few of them are familiar to the average person in an offi ce