Dr Juris University Vienna, 1936. Master of Arts University Chicago, 1945.
Instructor Economics, Manchester College, Indiana, 1940-1941. Research Assistant Economics International Relations, Institute, Institution International Studies, Yale University, 1943. Instructor Social Sciences, Assistant Professor of Economics, Association Professor Social Science, Professor Economics Social Science, University Chicago, 1945-1946, 1946-1947,1948-1953,1954-1978.
Association Professor of Economics, Carnegie Institute, Institution Technology, 1947-1948. Visiting Professor of Economics, University Frankfurt, 1953-1954, Massachusetts Institute of Technology, Cambridge, Mass., USA, 1963-1964, University California Santa Cruz, 1967, University Hawaii, East-West Center, 1971. Professor Emeritus Economics Social Science, University Chicago, since 1978.
Editor, Economic Development and Cultural Change, 1953-1961, since 1966, Encyclopaedia of the Social Sciences, E. R. A. Seligman and A. J. Johnson (eds) (Macmillan, 1930-5, 15 vols), 1961.
As writer, researcher, and teacher, I am most proud of teaching skills from 1940-1963. Many students of that period have done and are still doing important work in the field of international relations and economic development.