Russell L. Ackoff (1919–2009) Scientist
Cited in Donella Meadows (2008) Thinking in Systems: a Primer. p. 1.
1970s, The future of operational research is past, 1979
Source: 1970s, Redesigning the future, 1974, p. 21 as cited in: Frederick M. Zimmerman (2011) From Riches to Rags at a Time of Prosperity, p. 12.
Russell L. Ackoff (1919–2009) Scientist
Cited in Donella Meadows (2008) Thinking in Systems: a Primer. p. 1.
1970s, The future of operational research is past, 1979
Russell L. Ackoff (1919–2009) Scientist
Cited in: Can Alpaslan, Ian Mitroff (2011) Swans, Swine, and Swindlers: Coping with the Growing Threat of Mega-Crises and Mega-Messes. p. 16.
1970s, The future of operational research is past, 1979
“A system represents someone's solution to a problem. The system doesn't solve the problem.”
John Gall (1925–2014) American physician
Source: General systemantics, an essay on how systems work, and especially how they fail..., 1975, p. 74 Cited in: Roger Kaufman and Fenwick W. English (1979) Needs Assessment: Concept and Application, p. 94
Russell L. Ackoff (1919–2009) Scientist
Partly cited in: Jean-Marc Choukroun, Roberta Snow (1992) Planning for human systems: essays in honor of Russell L. Ackoff. p. 287.
1950s, The development of operations research as a science, 1956
Sukavich Rangsitpol (1935) Thai politician
citizenship in the changing world of tomorrow.
“The problem of systems improvement is the problem of the 'ethics of the whole system.”
C. West Churchman (1913–2004) American philosopher and systems scientist
Source: 1960s - 1970s, The Systems Approach (1968), p. 4
Fritjof Capra (1939) American physicist
Source: The Web of Life (1996), p. 3; As cited in: Michael C. Jackson (2000) Systems Approaches to Management. p. 5.