Dr sc. pol.
Writer in the Austrian tradition, whose Zinstheorie was a masterful survey of the history of interest theory and whose Theory of Investment of the Firm was a major modern restatement of Austrian capital theory in microeconomic terms. Privatdozent, University, Freibourg 1932-1938. Instructor, Professor, Princeton University, 1938-1953.
Professor, University Zürich, 1953.