Came to the United States, 1911. Pioneer aviator, licensed pilot (Bleriot), 1910, Aero Club of France. Member of staff New York Bureau Municipal Research, 1914-1917.
Member of staff, director bureau state research New Jersey Chamber of Commerce, 1917-1925. Staff Institute Public Administration, 1925-1926. Lecturer Training School for Public Service, 1920-1924.
Secretary commission on government met areas National Municipal League, 1926-1927. Instructor extension department Columbia, 1926-1927. Lecturer public finance New York University, 1927-1930, assistant professor economics, 1930-1931, associate professor, 1931-1935, professor, 1935-1953, professor emeritus, since 1954.
Director Albany Graduate Program in Public Administration, New York University-Syracuse University, 1954-1957. Visiting professor U. Pittsburgh, summer 1958. Recipient Ford Foundation grant, lecturing in Poland and Yugoslavia, fall 1959.
Cons. fiscal and economics problems to federal, state, local government agencies, since 1917, including National Resources Committee, 1935-1937, Social Security Board, 1939-1942, Bureau Budget, 1942, New York State Division Budget, 1943-1954, New York State Commision on Need for State University, 1946-1948, New York State Constitutional Convention Commission, 1937-1938, New York State Commision on Revision of Constitution, since 1957. Member administrative and legislative commissions, including New York State Commision on Technology Institutions, 1943-1944, Commission to Coordinate State Activities, 1943-1955, Commision on Pensions, 1954-1957.