Became naturalized citizen of the United States, February 15, 1943. Formerly executive and chairman of life insurance companies and mortgage banks, Berlin. Founded Association for Currency and Finance Reform, Berlin, 1920, and was chairman During the Weimar Republic was economic advisor on credit and currency to the German Foreign Office, 1921-1932.
Worked for Franco-German understanding, Paris. 1930-1932; research, Berlin and London, 1932-1936. Came to the United States, 1936, and introduced property life insurance.
Granted charter for company to sell property life insurance in New York and Illinois, 1937. Research professor of economics, Rutgers University, 1939-1943. Professor of Economics, Sampson College, Sampson, New York, 1946-1948.
Visiting lecturer in economics, University of Illinois, 1948-1949. Lectures on private and social insurance, long-term credit, mortgage banking, economics geography and significance of atomic energy.