Came to the United States 1926, naturalized. With British Columbia Forest Service, Victoria, 1923-1926. With Erie R.R., 1930-1934.
Director Michigan State Forest Experiment Station, Sault Ste. Marie, 1936-1937; assistant professor, School Forestry, Oregon State University, 1937-1942, professor, department head, 1945-1973, dean, 1955-1966. Assistant state forester of Oregon, 1942-1945.