Instructor school mines University of Minnesota, 1917-1919, assistant professor, 1919-1926. Construction engineering, mine expert Minnesota Tax Commission, 1918-1926. Research assistant, junior research fellow American Petroleum Institute, 1927-1931.
Lecturer college mining University of California, 1926-1930, associate professor, 1930-1942, professor petroleum engineering, 1942-1943, professor petroleum engineering div. mineral technical, from 1943, chairman div., 1949-1953. Ednl. supervisor ESMWT, 1941-1945. Operations analyst United States Army Air Force, 1945.
Professional petroleum engineer, California.