Senior inspector of construction, Detroit Water Board, 1927-1929. Chemical engineer, chief draftsman Comstock & Westcott, Inc., Niagara Falls, 1929-1931. Successively assistant professor, professor, head department chemical engineering, U. Tennessee, since 1934.
Head Cooperative Chemical Engineering Research Laboratory, Tennessee Valley Authority, 1934-1948. On leave as principal physicist to Nuclear Reactor School, Atomic Energy Commission, Oak Ridge, Tennessee, 1946-1947. Consultant Bureau Mines, 1939-1941, Monsanto Chemical Company, 1947-1948, Carbide & Carbon Chemical Corporation (name changed to Union Carbide Nuclear Company). since 1948.
United States Air Force Arnold Engineering Development Center, 1951. Visiting educator for Dupont Engineering Department, Year-In-Industry Program, 1953-1954.