Gordon Pask (1928–1996) British psychologist
Pask (1976) "Conversational techniques in the study and practice of education", In: British Journal of Educational Psychology, Vol 46, p. 24.
Talcott Parsons (1968) "Systems Analysis: Social Systems" in: David L. Sills ed. International Encyclopedia of the Social Sciences. p. 458; Cited in: Ida R. Hoos (1972) Systems Analysis in Public Policy: A Critique.
Gordon Pask (1928–1996) British psychologist
Pask (1976) "Conversational techniques in the study and practice of education", In: British Journal of Educational Psychology, Vol 46, p. 24.
Arthur D. Hall (1925–2006) American electrical engineer
Cited in: Addison C. Bennett (1978) Improving management performance in health care institutions: a total systems approach.. p. 40
A methodology for systems engineering, 1962
Eric Trist (1909–1993) British scientist
Eric Trist, "A concept of organizational ecology." Australian journal of management 2.2 (1977): 161-175. p. 161; abstract
Michael Halliday (1925–2018) Australian linguist
Michael Halliday (2005, p. 68) as cited in: Andrew Halliday and Marion Glaser (2011) "A Management Perspective on Social Ecological Systems". In: Human Ecology Review, Vol. 18, No. 1, 2011.
1970s and later
Donald H. Liles (1947) American engineer
Source: Enterprise modeling within an enterprise engineering framework (1996), p. 993
Ludwig von Bertalanffy (1901–1972) austrian biologist and philosopher
Source: 1960s, Robots, Men and Minds (1967), p. 69
Wassily Leontief (1906–1999) Russian economist
Source: Structure of American economy, 1919-1929, 1941, p. 33, as cited in: Drejer, Ina. " The Role of Technological Linkages in a Leontief Scheme-From Static Structures to Endogenous Evolution of Technical Coefficients http://www.druid.dk/uploads/tx_picturedb/dw1999-340.pdf." Preparado para: DRUID Winter Conference, Holte (enero 1999). 1998.
Jay Lemke (1946) American academic
Jay Lemke. " Ecosocial Dynamics http://academic.brooklyn.cuny.edu/education/jlemke/ecosoc.htm," at academic.brooklyn.cuny.edu, Accessed 03. 2017.
George Kelly (psychologist) (1905–1967) American psychologist and therapist
George A. Kelly, "Man's construction of his alternatives." Assessment of human motives (1958): 33-64.
Ludwig von Bertalanffy (1901–1972) austrian biologist and philosopher
As cited in: Debora Hammond (2005). "Philosophical and Ethical Foundations of Systems Thinking", in: tripleC 3(2): pp. 20–27.
1950s, Problems of Life (1952, 1960)