“Cybernetics was defined by Wiener as “the science of control and communication, in the animal and the machine” — in a word, as the art of steermanship, and it is to this aspect that the book will be addressed. Co-ordination, regulation and control will be its themes, for these are of the greatest biological and practical interest.
We must, therefore, make a study of mechanism; but some introduction is advisable, for cybernetics treats the subject from a new, and therefore unusual, angle… The new point of view should be clearly understood, for any unconscious vacillation between the old and the new is apt to lead to confusion.”

Source: An Introduction to Cybernetics (1956), Part I: Mechanism, p. 1: Lead paragraph

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W. Ross Ashby26

British psychiatrist 1903–1972

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“The celebrated physicist and mathematician A. M. Ampere coined the word cybernetique to mean the science of civil government (Part II of "Essai sur la philosophic des sciences", 1845, Paris). Ampere's grandiose scheme of political sciences has not, and perhaps never will, come to fruition. In the meantime, conflict between governments with the use of force greatly accelerated the development of another branch of science, the science of control and guidance of mechanical and electrical systems. It is thus perhaps ironical that Ampere's word should be borrowed by N. Wiener to name this new science, so important to modern warfare. The "cybernetics" of Wiener ("Cybernetics, or Control and Communication in the animal and the Machine," John Wiley & Sons, Inc., New York, 1948) is the science of organization of mechanical and electrical components for stability and purposeful actions. A distinguishing feature of this new science is the total absence of considerations of energy, heat, and efficiency, which are so important in other natural sciences. In fact, the primary concern of cybernetics is on the qualitative aspects of the interrelations among the various components of a system and the synthetic behavior of the complete mechanism.”

Qian Xuesen (1911–2009) Chinese rocket scientist

Source: Engineering cybernetics, (1954), p. vii. About the origin of the word Cybernetics

“The purpose of "Engineering Cybernetics" is then to study those parts of the broad science of cybernetics which have direct engineering applications in designing controlled or guided systems. It certainly includes such topics usually treated in books on servomechanisms. But a wider range of topics is only one difference between engineering cybernetics and servomechanisms engineering. A deeper - and thus more important - difference lies in the fact that engineering cybernetics is an engineering science, while servomechanisms engineering is an engineering practice.”

Qian Xuesen (1911–2009) Chinese rocket scientist

Source: Engineering cybernetics, (1954), p. vii

“According to the science of cybernetics, which deals with the topic of control in every kind of system (mechanical, electronic, biological, human, economic, and so on), there is a natural law that governs the capacity of a control system to work. It says that the control must be capable of generating as much "variety" as the situation to be controlled.”

Anthony Stafford Beer (1926–2002) British theorist, consultant, and professor

Source: Management Science (1968), Chapter 2, Chance, Risk and Malice, p. 37.

“Now "cybernetics" is the term coined by Wiener to denote "steersmanship" or the science of control. Although current engineering usage restricts it to the study of flows in closed systems, it can be taken in a wider context, as the study of processes interrelating systems with inputs and outputs, and their structural-dynamic structure. It is in this wider sense that "cybernetics" will be used here, to wit, as system-cybernetics, understanding by "system" an ordered whole in relation to its relevant environment”

Ervin László (1932) Hungarian musician and philosopher

hence one actually or potentially open
Source: Introduction to Systems Philosophy (1972), p. 38.

“Cybernetics is a young discipline which, like applied mathematics, cuts across the entrenched departments of natural science; the sky, the earth, the animals and the plants. Its interdisciplinary character emerges when it considers economy not as an economist, biology not as a biologist, engines not as an engineer. In each case its theme remains the same, namely, how systems regulate themselves, reproduce themselves, evolve and learn. Its high spot is the question of how they organize themselves.
A cybernetic laboratory has a varied worksheet - concept formation in organized groups, teaching machines, brain models, and chemical computers for use in a cybernetic factory. As pure scientists we are concerned with brain-like artifacts, with evolution, growth and development; with the process of thinking and getting to know about the world. Wearing the hat of applied science, we aim to create what Boulanger,' in his presidential address to the International Association of Cybernetics, called the instruments of a new industrial revolution - control mechanisms that lay their own plans.”

Gordon Pask (1928–1996) British psychologist

Source: An Approach to Cybernetics (1961), p. 11. Partly cited in: A.M.E. Salazar, A. Espinosa, J. Walker (2011) A Complexity Approach to Sustainability: Theory and Application. p. 11.

“If cybernetics is the science of control, management is the profession of control”

Anthony Stafford Beer (1926–2002) British theorist, consultant, and professor

Source: Decision and control: the meaning of operational research and management cybernetics, 1966, p. 239 cited in: A. Ghosal (1978) Applied cybernetics: its relevance in operations research. p. 2 and many other sources.

“The word 'cybernetics' is still new to many people, even though it has now been an accepted word of our language for some ten or fifteen years. Speaking generally, cybernetics is the scientific study of control and communication. It is an attempt to give an integrated account of both physical and biological systems in terms of their capacity to communicate between different points of the system, and in terms of their control.
There has been considerable research into general methods of communication in recent years, and this has been primarily the work of communication engineers, who are trying to discover in general terms what they themselves are doing.”

Frank Honywill George (1921–1997) British psychologist

George (1958) "Cybernetics and biology" in: M.L. Johnson Ed. New biology. Ns 26-31. p.106

“While studying antiaircraft fire control, Wiener may have conceived the idea of considering the operator as part of the steering mechanism and of applying to him such notions as feedback and stability, which had been devised for mechanical systems and electrical circuits. No doubt this kind of analogy had been operative in Wiener’s mathematical work from the beginning and sometimes had even been productive. As time passed, such flashes of insight were more consciously put to use in a sort of biological research for which Wiener consulted all kinds of people, except mathematicians, whether or not they had anything to do with it. Cybernetics, or Control and Communication in the Animal and the Machine (1948) is a rather eloquent report of these abortive attempts, in the sense that it shows there is not much to be reported. The value and influence of Cybernetics, and other publications of this kind, should not, however, be belittled. It has contributed to popularizing a way of thinking in communication theory terms, such as feedback, information, control, input, output, stability, homeostasis, prediction, and filtering. On the other hand, it also has contributed to spreading mistaken ideas of what mathematics really means”

Hans Freudenthal (1905–1990) Dutch mathematician

Norbert Wiener (2008)

“Cybernetics as a specific field grew out of a series of interdisciplinary meetings held from 1944 to 1953 that brought together a number of noted post-war intellectuals, including Wiener, John von Neumann, Warren McCulloch, Claude Shannon, Heinz von Foerster, W. Ross Ashby, Gregory Bateson and Margaret Mead. Hosted by the Josiah Macy Jr. Foundation, these became known as the Macy Conferences on Cybernetics. From its original focus on machines and animals, cybernetics quickly broadened to encompass minds (e. g. in the work of Bateson and Ashby) and social systems (e. g. Stafford Beer's management cybernetics), thus recovering Plato's original focus on the control relations in society.
Through the 1950s, cybernetic thinkers came to cohere with the school of General Systems Theory (GST), founded at about the same time by Ludwig von Bertalanffy, as an attempt to build a unified science by uncovering the common principles that govern open, evolving systems. GST studies systems at all levels of generality, whereas Cybernetics focuses more specifically on goal-directed, functional systems which have some form of control relation.”

Francis Heylighen (1960) Belgian cyberneticist

Source: Cybernetics and Second-Order Cybernetics (2001), p.2 Cited in: " Notes on Heylighen 2001 http://thinkipedia.wikispaces.com/Notes+on+Heylighen+2001" at thinkipedia.wikispaces.com, 2013

“During the 1950s and 1960s most of the work which was called cybernetics tended to focus on control systems in engineering or on applications of the concept of feedback in fields ranging from mathematics to sociology. At the 1970 meeting of the American Society for Cybernetics in Philadelphia Heinz von Foerster sought to redirect attention to the original interests which had led to the founding of the field of cybernetics. In a paper titled "Cybernetics of Cybernetics" he made a distinction between first order cybernetics, the cybernetics of observed systems, and second order cybernetics, the cybernetics of observing systems.”

Stuart A. Umpleby (1944) American scientist

Stuart A. Umpleby (1991) "Strategies for Winning Acceptance of Second Order Cybernetics." In George E. Lasker, et al. (eds.) Advances in Human Systems and Information Technologies. Windsor, Canada: International Institute for Advanced Studies in Systems Research and Cybernetics, 1992. pp. 97-196. (paper)

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W. Ross Ashby26

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