Other relevant keywords: Decision Sciences; General Systems Theory; Positional and Combinatorial Styles; Predispositioning Theory Aron Katsenelinboigen (1927–2005) Aron Katsenelinboigen was the founder of Predispositioning Theory (PT) and the author of twenty books and numerous articles. Born in Ukraine, he earned his Ph.D. (1957) and Doctor Habilitatus (1966) at the Moscow State Institute of Economics ..