100 Years of Mathematics: a Personal Viewpoint (1981)
“One cannot help but be struck by the diversity that characterizes efforts to study the management process. If it is true that psychologists like to study personality traits in terms of a person's reactions to objects and events, they could not choose a better stimulus than management science. Some feel it is a technique, some feel it is a branch of mathematics, or of mathematical economics, or of the "behavioral sciences," or of consultation services, or just so much nonsense. Some feel it is for management (vs. labor), some feel it ought to be for the good of mankind — or for the good of underpaid professors.
But this diversity of attitude, which is really characteristic of all fields of endeavor, is matched by another and more serious kind of diversity. In the management sciences, we have become used to talking about game theory, inventory theory, waiting line theory. What we mean by "theory" in this context is that if certain assumptions are valid, then such-and-such conclusions follow. Thus inventory theory is not a set of statements that predict how inventories will behave, or even how they should behave in actual situations, but is rather a deductive system which becomes useful if the assumptions happen to hold. The diversity of attitude on this point is reflected in two opposing points of view: that the important problems of management science are theoretical, and that the important problems are factual.”
quote in: Fremont A. Shull (ed.), Selected readings in management https://archive.org/stream/selectedreadings00shul#page/n13/mode/2up, , 1957. p. 7-8
1940s - 1950s, "Management Science — Fact or Theory?" 1956
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C. West Churchman 64
American philosopher and systems scientist 1913–2004Related quotes
quote in: Fremont A. Shull (ed.), Selected readings in management https://archive.org/stream/selectedreadings00shul#page/n13/mode/2up, , 1957. p. 8
1940s - 1950s, "Management Science — Fact or Theory?" 1956

Source: 1930s, Principles of topological psychology, 1936, p. vii.

Source: The Principles of Ethics (1897), Part I: The Data of Ethics, Ch. 7, The Psychological View

Source: Linear programming and extensions (1963), p. 2
Source: 1960s, Prisoner's dilemma: A study in conflict and cooperation (1965), p. v

Source: Psychology of management, 1914, p. 2-3

at the AAAS meeting: Mathematics and Science of Origami: Visualize the Possibilities, February 15, 2002, as quoted by Science Daily Origami Helps Scientists Solve Problems http://www.sciencedaily.com/releases/2002/02/020219080203.htm, February 21, 2002.

William Foote Whyte (1946), Industry and Society, New York. p. v-vi; Cited in: Richard Gillespie (1993), Manufacturing Knowledge: A History of the Hawthorne Experiments. p. 255
Source: Mathematical Thought from Ancient to Modern Times (1972), p. 495