Arthur D. Hall (1925–2006) American electrical engineer
Source: Definition of System, 1956, p. 23
At the other extreme is a set of parts that are completely unrelated: that is, a change in each part depends only on that part alone. The variation in the set is the physical sum of the variations of the parts. Such behavior is called independent or physical summativity.
Source: Definition of System, 1956, p. 23
Arthur D. Hall (1925–2006) American electrical engineer
Source: Definition of System, 1956, p. 23
Arthur D. Hall (1925–2006) American electrical engineer
Cited in: Harold Chestnut (1967) Systems Engineering Methods. p. 121
A methodology for systems engineering, 1962
Kurt Lewin (1890–1947) German-American psychologist
Source: 1930s, Principles of topological psychology, 1936, p. 218, as cited in: Granville Stanley Hall, Edward Bradford Titchener, Karl M. Dallenbach (1937) The American journal of psychology. Vol. 50, p. 374.
Susan Stebbing (1885–1943) British philosopher
As quoted in A Modern Introduction to Logic (1930), p. 198.
Russell L. Ackoff (1919–2009) Scientist
Cited in: Haluk Demirkan, James C. Spohrer, Vikas Krishna (2011) The Science of Service Systems. p. 274.
1970s, Towards a System of Systems Concepts, 1971
Arthur D. Hall (1925–2006) American electrical engineer
Source: A methodology for systems engineering, 1962, p. 61 cited in: Clute, Whitehead & Reid (1967) Progressive architecture. Vol.48, Nr. 7-9. p. 106
Russell L. Ackoff (1919–2009) Scientist
Ackoff (1973) "Science in the Systems Age: beyond IE, OR and MS." in: Operations Research Vol 21, pp. 664.
1970s