Financial statistician Western Electric Company, 1930-1935. Assistant, associate professor statistics, acting department chairman business research U. Nebraska, 1937-1941. Senior economist unites states department Commerce, 1941-1942, principal industrial economist statistics div.
War Production Board, 1942. Associate professor statistics U. Chg., 1946. Professor business statistics Stanford Graduate School Business 1946-1969, professor emeritus, 1969-1975.
Member Harvard Eclipse Expedition to Sumatra, 1925-1926, Geological Survey Expedition to Alaska, 1928, Rampart Dam Survey in Alaska, 1965. Served to lieutenant commander Air Corps, United States Navy Reserve, 1942-1945. Member American Statis Association (president San Francisco chapter 1949), National Association Business Economists, American Association University Professors (president Stanford chapter 1957-1958).