“The theory of communication is partly concerned with the measurement of information content of signals, as their essential property in the establishment of communication links. But the information content of signals is not to be regarded as a commodity; it is more a property or potential of the signals, and as a concept it is closely related to the idea of selection, or discrimination. This mathematical theory first arose in telegraphy and telephony, being developed for the purpose of measuring the information content of telecommunication signals. It concerned only the signals themselves as transmitted along wires, or broadcast through the aether, and is quite abstracted from all questions of "meaning." Nor does it concern the importance, the value, or truth to any particular person. As a theory, it lies at the syntactic level of sign theory and is abstracted from the semantic and pragmatic levels. We shall argue … that, though the theory does not directly involve biological elements, it is nevertheless quite basic to the study of human communication -- basic but insufficient.”

— Colin Cherry

Source: On Human Communication (1957), What Is It That We Communicate?, p. 10

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Colin Cherry 12

British scientist 1914–1979

Ludwig von Bertalanffy (1901–1972) austrian biologist and philosopher

General System Theory (1968), 4. Advances in General Systems Theory

“Physically, we transmit signals or signs -- audible, visual, tactual. But the mere transmission and reception of a physical signal does not constitute communication. A sign, if it is perceived by the recipient, has the potential for selecting responses in him. Physically, when we communicate, we make noises with our mouths, or gesticulate, or exhibit some token or icon, and these physical signals set up a response behavior.”

Colin Cherry (1914–1979) British scientist

Source: On Human Communication (1957), What Is It That We Communicate?, p. 10

“An information system is an organisation of people, materials and machines that serves to facilitate the transfer of information from one person to another. Its function is social: to aid human communication. If we take this to mean all reception of signals by the human senses (sight, sound, small, touch, taste,…)- then communication is an incessant and essential accompaniment of all human activity. If we restrict the meaning of signals to flowing between people, much of the daily life of most of us is occupied by such interpersonal acts.”

Brian Campbell Vickery (1918–2009) British information theorist

Source: Information Systems (1973), p. 1.

“If quantum communication and quantum computation are to flourish, a new information theory will have to be developed.”

Hans Christian von Baeyer (1938) American physicist

Source: Information, The New Language of Science (2003), Chapter 25, Zeilingers Principle, Information at the root of reality, p. 231

“The "flow of information" through human communication channels is enormous. So far no theory exists, to our knowledge, which attributes any sort of unambiguous measure to this "flow."”

Anatol Rapoport (1911–2007) Russian-born American mathematical psychologist

Anatol Rapoport (1969) in: Modern Systems Research for the Behavioral Scientist. p. 139
1960s

“While in theory randomness is an intrinsic property, in practice, randomness is incomplete information.”

Nassim Nicholas Taleb (1960) Lebanese-American essayist, scholar, statistician, former trader and risk analyst

Source: The Black Swan: The Impact of the Highly Improbable (2007), p. 198

“Occasionally one speaks… of signals or signal chains. It should be noted that the word signal means the transmission of signs and hence concerns the very principle of causal order…”

Hans Reichenbach (1891–1953) American philosopher

The Philosophy of Space and Time (1928, tr. 1957)

“The real core of communication is what information theory's founder, Claude Shannon calls "meaning." And meaning is not covered in information theory.”

Howard Bloom (1943) American publicist and author

Brace Yourself: The Five Heresies
The God Problem: How a Godless Cosmos Creates (2012)

“The measure of information to be developed here will also be related to freedom of choice; that is, it will be a function of the probabilities of choice associated with the alternative courses of action… The measure developed here is a function of m, the number of alternative potential courses of action.”

Russell L. Ackoff (1919–2009) Scientist

Source: 1970s, On purposeful systems., 1972, p. 145, as cited in: Galjaard (2009, p. 89): About the information-concept of Ackoff.

“Without an understanding of causality there can be no theory of communication. What passes as information theory today is not communication at all, but merely transportation.”

Marshall McLuhan (1911–1980) Canadian educator, philosopher, and scholar-- a professor of English literature, a literary critic, and a …

Source: 1990s and beyond, The Book of Probes : Marshall McLuhan (2011), p. 362

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