High Quality Content by WIKIPEDIA articles! Professor Renfrey Burnard (Ren) Potts AO, (1925–2005), BSc(Hons) (Adel), D Phil (Oxon), DSc (Oxon), FAA, FTSE, FACS, FAustMS, was an Australian mathematician and is notable for the Potts model and his achievements in: operations research, especially networks; transportation science, car-following and road traffic; Ising-type models in mathematical physics; difference equations; and robotics. He was interested in computing from the early days of the computing revolution and oversaw the first computer purchases at the University of Adelaide.