From 1919 to 1925 he worked as an ichthyologist at the Bureau of Fisheries, Washington, D.C. From 1920 to 1924 he was a consultant and investigator with the United States Public Health Service.
Von 1919 bis 1925 arbeitete er als Ichthyologe am Bureau of Fisheries, Washington, D.C. Von 1920 bis 1924 war er Berater und Untersuchungsbeamter beim United States Public Health Service.