Human relations today has its iconoclasts and believers, critics and supporters, detractors and zealots. This is not surprising; for during the past twenty years, numerous research groups have burgeoned, and many individual investigators have become most active in the field. There has been a fantastic outpouring of professional and popular books and articles, untold new or revised college and university offerings, a plethora of in-plant training courses, a growing number of training laboratories and seminars, and a seemingly ever-increasing schedule of meetings and speeches—all concerned, in whole or in part, with "human relations."
p. 5 - Leadership and Organization, 1961