Instructor, then assistant professor Princeton, 1928-1942. Chemist Agora Excavation staff, Athens, Greece, 1937. Chief chemist Wallace laboratories, New Brunswick, New Jersey, 1942-1946.
Member of faculty Ohio State University, from 1946, professor of chemistry, from 1957, vice department chairman, 1949-1960.
- Author: Analytical Factors and Their Logarithms, 1932, The Composition of Ancient Greek Bronze Coins, 1939, Composition of Parthian Coins, 1954, (with J.F.C. Richards) Theophrastus on Stones, 1956, Analysis of Ancient Glasses, 1962, Orichaleum and Related Ancient Alloys, 1964, Analysis of Ancient Metals, 1964, Metrological Tables, 1965, (with J.S. Belkin) Eucharius Roslin the Younger on Minerals and Mineral Products, 1978. Also articles and chapters to books.
Fellow American Association for the Advancement of Science, International Institute Conservation Historic and Artistic Works, Ohio Academy Science, American, Royal numismatic societies. Member American Chemical Society (Dexter award 1966), Archeological Institute American (president Columbus 1959), History Science Society.