Olds (born 1946?) American psychologist and pioneer in the field of systems psychology David Orrell Canadian mathematician P Bradford Parkinson American systems engineer Talcott Parsons (1902–1979) Gordon Pask (1928–1996) Samuel C. Phillips (1921–1990) officer in the U.S. Air Force Ilya Prigogine (1917–2003) Peter Pruzan (born 1937) Danish organizational theorist R Simon Ramo (1913–2016) American physicist, engineer, and business leader Anatol Rapoport (1911–2007) Russian mathematician, psychologist and systems scientist; cofounder of the International Society for Systems Science Eberhardt Rechtin (1926–2006) American systems engineer and respected authority in aerospace systems and systems architecture Barry Richmond (1947–2002) American systems scientist Luis M. Rocha (born 1966) Portuguese-American systems thinker Robert Rosen (1934–1998) American biologist and systems thinker S Andrew P. Sage (1933–2014) American systems engineer and Emeritus Professor and Founding Dean Emeritus at the School of Information Technology and Engineering of the George Mason University Claude Shannon (1916–2001) Thomas B. Sheridan (born 1929) American mechanical engineering and pioneer of robotics and remote control technology Herbert A. Simon (1916–2001) Ulbo de Sitter (1930–2010) Dutch sociologist and professor of business administration at the Radboud University Nijmegen Henk G. Sol (born 1951) Dutch organizational theorist, consultant Georgiy Starostin (born 1976) Russian linguistics researcher at and a participant at the Santa Fe Institute's Evolution of Human Languages project Sytse Strijbos (born 1944) Dutch academic, lecturer of philosophy of technology at the Vrije Universiteit in Amsterdam T Len Troncale (born 1943) American biologist, systems theorist, Professor Emeritus of Cellular and Molecular Biology, and former Director of the Institute for Advanced Systems Studies at the California State Polytechnic University Arnold Tustin (1899–1994) British engineer Jaan Tallinn (born 1972) co-developer of the original Skype distributed system, co-founder of the Future of Life Institute and Centre for the Study of Existential Risk, accredited/trained physicist U Stuart A. Umpleby (born 1944) American cyberneticist working in the field of cross-cultural management, cybernetics, group facilitation methods, systems science and the use of computer networks. V Francisco J. Varela (1945–2001) Jan in 't Veld (1925–2005) Dutch aerospace engineer and organizational theorist Geoffrey Vickers (1894–1982) Ludwig von Bertalanffy (1901–1972) Austrian Canadian biologist, physiologist and systems scientist, and cofounder of the International Society for Systems Science W John Nelson Warfield (1925–2009) American electrical engineering and systems scientist, and member of the Academic Committee of the International Encyclopedia of Systems and Cybernetics. Kevin Warwick (born 1954) British cybernetician with interests in artificial intelligence, robotics, control systems and biomedical engineering,