© 1966 by the Massachusetts Institute of Technology. From Leadership and Motivation, Essays of Douglas McGregor, edited by W. G. Bennis and E. H. Schein (Cambridge, MA: MIT Press, 1966): 3–20. Reprinted with permission. I t has become trite to say that the most significant developments of the next quarter century will take place not in the physical but in the social sciences, that industry—the ...
