Instructor geology and mining U. Wyoming, 1900-1901. With Indiana Gold Dredging Company, 0roville, California, 1901-1902. Instructor in mining, Columbia, 1902-1905.
In general mining practice, Tonopah, Nevada, 1905-1908. Professor mining Leland Stanford Junior U., 1908-1910. Professor mining engineering Sheffield Science School (Yale), 1910-1917.
Editor-in-chief, specification section Signal Corps, 1917-1918. Chief production engineering Bureau Aircraft Production, 1918-1919. Construction engineering Liberty National Bank, New York City, 1919-1920.
Vice president Liberty Industrial Corporation, 1921-1922. Assistant vice president New York Trust Company, 1922-1928, vice president, 1928-1929. Vice president Chemical National Bank and Trust Company and Chemical National Company, 1929-1931.
Vice-president, director Phelps Dodge Corporation, 1931-1947, retired, now director and member Executive Committee.
Born March 3, 1878