Another discipline began to intrude upon the confident work and increasingly elaborate models of the human relations theorists (largely social psychologists) and the uneasy toying with bureaucracy of the "structionalists" (largely sociologists). Both tended to study economic organizations. A few, like Philip Selznick, were noting conflict and differences in goals (perhaps because he was studying a public agency, the Tennessee Valley Authority), but most ignored conflict or treated it as a pathological manifestation of breakdowns in communication or the ego trips of unreconstructed managers.

p. 7 - "The short and glorious history of organizational theory", 1973