Came to the United States 1934. Civil Service Prussian Ministry Public Works, 1912-1916, Department Housing, 1919-1926, archtl, adviser to minister of finance, Department Public buildings, 1927-1933. Technical director City Planning Association, Buffalo, New York, since 1937.
Professor city planning and housing, University of Buffalo, 1937-1941. Special lecturer, Dartmouth College, 1934-1937, professor city planning and housing since 1941.