There are a few people in every age who produce new, paradigm-shifting ideas. Sometimes these ideas don't catch on right away, but as time passes, their worth becomes more evident. The art of management is an old one, but it was a fairly static one until about 150 years ago, when changes in technology, e.g. railroads and telegraph, changed our economy quite dramatically, and at the same time changed the discipline of management. We don't really have much perspective yet. Without it, it's hard to say what ideas will endure, and who the real pioneers will turn out to be. But, guessing, here are some of the people in our management heroes gallery.