deals with the simulation of interactions between objects in dynamic systems. Charles François (1922–2019) Belgian specialist in the field of cybernetics and systems science, known as founding editor of the International Encyclopedia of Systems and Cybernetics Christian Fuchs (born 1976) Austrian social scientist who focuses his research on information society theory, social theory, critical theory. Buckminster Fuller (1895–1983) American visionary, designer, architect, poet, author, and inventor. He was one of the first to propagate a systemic worldview and explored principles of energy efficiency and material efficiency in the fields of architecture, engineering and design. G Murray Gell-Mann (1929–2019) American physicist and Nobel Prize winner in physics for his work on the theory of elementary particles. Ralph Waldo Gerard (1900–1974) American neurophysiologist and behavioral scientist and one of the founders of the Society for General Systems Research. Jamshid Gharajedaghi (born c. 1940) American organizational theorist, management consultant, and Adjunct Professor of Systems thinking Tom Gilb (born 1940) American systems engineer. Harry H. Goode (1909–1960) American computer engineer and systems engineer and professor at University of Michigan. Until his death his was president of the National Joint Computer Committee (NJCC). He wrote the famous System Engineering Handbook together with Robert Engel Machol. Brian Goodwin (1931–2009) Canadian mathematician and biologist Barbara J. Grosz American computer scientist who developed the SharedPlans model for collaborative planning in multi-agent systems H Arthur David Hall III (1925–2006) American electrical engineer. He worked for years at Bell Labs. He was one of the founders of the (IEEE) and was among the first general systems theorists. He wrote A methodology of Systems Engineering from 1962. Stephen G. Haines (1945–2012) American organizational theorist and management consultant Debora Hammond American historian of science and a systems scientist Albert Hanken (1926–2016) Dutch mathematician and Emeritus Professor Systems theory at the University of Twente Friedrich Hayek (1899–1992) Nobel prize economist and a philosopher who made pioneering contributions to complexity theory. He notably wrote The Theory of Complex Phenomena (1967). Francis Heylighen (born 1960) Belgian cybernetician working on self-organization and the evolution of complex systems Derek Hitchins (born 1935) British systems engineer and was professor in engineering management, in command & control and in systems science at the Cranfield University, Bedfordshire, England. John Henry Holland (1929–2015) American pioneer in complex system and nonlinear science. He is known as the father of genetic algorithms. J Michael C. Jackson (born 1951) British systems scientist, and expert