University of Sao Paolo, Brazil (1951-1955); work with Ralph Shiller, Walter Schutzer, Mario Schoenberg; causal interpretation of quantum mechanics; probability theory - Pierre Simon Laplace’s theory; causality and chance, necessity and contingency; Hegel’s philosophy; lecturer at the Technion (Technical University), Israel (circa 1955-1956); marriage to Sara; problems in Israel; University of Bristol, research associate (1957-1961); visit with Niels Bohr in Copenhagen, 1957; negative experience at a conference-scientists interested in formulas but not the philosophy behind them.
