In 1987 he continued at the State University of New York at Binghamton, where in 1989 he received an MS in Systems Science, and in 1994 under George Klir received a PhD in Systems Science with the thesis "Possibilistic Processes for Complex Systems Modeling".
In 1990, together with Cliff Joslyn and Francis Heylighen, he founded the Principia Cybernetica Project, a worldwide organization devoted to the collaborative development of an evolutionary-cybernetic philosophy.
Cliff Richard | Jimmy Cliff | Cliff Robertson | Oak Cliff | Cliff Thorburn | Cliff Morgan | Cliff Michelmore | Cliff Curtis | Tony Cliff | Cliff Lee | Cliff Bastin | Cliff | Red Cliff | Frank Joslyn Baum | Cliff Stearns | Cliff Friend | Cliff Bleszinski | cliff | Red Cliff Air Station | Joslyn Art Museum | Cliff Swain | Cliff Slaughter | Cliff Politte | Cliff House | Cliff Edwards | Cliff Couser | Cliff Burton | Cliff Barrows | Joslyn rifle | Cliff Williams |