The various schools of or approaches to management theory that I identified nearly two decades ago, and called "the management theory jungle," are re… - Harold Koontz

Although students of management would readily agree that there have been problems of management since the dawn of organized life, most would also agree that systematic examination of management, with few exceptions, is the product of the present century and more especially of the past two decades.

I see too many academics forgetting what I think our job is in management, and that is to organize available knowledge; develop new knowledge, of course, but organize it in such a way that it can be useful to practicing managers to underpin management. I am surprised as I watch the literature, that some people are discovering what we’ve known for years. For example, some things like this: that technology affects management organization. I found that out when I was in the airline industry a few years ago and I never thought it was anything very surprising. Another, that the actual managing depends on the situation... I thought, my gosh, there must be something new there. Only to find, after spending a lot of time reading, that there wasn’t anything, and I don’t know any practicing manager who doesn’t manage in light of the situation. I think we have to agree that management theory and science should underpin practice, otherwise why develop it?

The Current Approaches to Management Theory and Science