Professor history, politics and economics Ursinus College, 1904-1905, preceptor Princeton, 1905-1908, assistant professor political economy, 1908-1913. Commissioner of labor statistics by appointment of President Wilson, 1913-1920. Chief scientific div.
International Labor Organization of League of Nations, 1920-1923. Secretary of labor and industry Commonwealth of Pennsylvania, 1923-1924. Member Commision on Social Research in China, 1924-1925.
Professor economics Carleton College, 1926-1927. Director of Survey of Aged Persons in Connecticut, 1932. President Index Number Institute, New Haven, 1930-1936.
Special agent Connecticut Department of Labor, 1935, administrative assistant, 1941-1946. Appointed member meat commission, United States Government, 1918. Secretary-treasurer International Association Industrial Accident Bds. and Communications, 1916-1920.
Member Federal Electric Rys. Commission, 1919-1920.
Author: History and Theory of Shipping Subsidies, 1905. Directory of Connecticut Manufacturing and Mechanical Establishments, 1939, 1942, 1943. Established the United States Bureau of Labor Statistics Monthly Labor Review, the International Labor Review and other publications of International Labor Office.
Contributor to mags.