Bachelor of Arts, Stanford, 1902.
Mining foremanships, California, 1902-1903. Editor Mineral Wealth, Redding California, 1903-1904. Assistant superintendent and superintendent Standard Consolidated Mining Company, Bodie, California, 1904-1906.
Assistant general superintendent and superintendent Liberty Bell Gold Mining Company, Telluride, Colorado, 1906-1909. Engineer Minerals Separation, Ltd., London, 1910. Chief engineer Minerals Separation, North American Corporation and its predecessor companies in N. America since 1911.
Member American Institute of Mining and Metallurgical Engineers, Sigma Xi, Tau Beta Pi, Swedenborgian. Clubs: Commonwealth, Commercial (San Francisco). Known for development and application of flotation process for metalliferous ores in connection with most of the important lead, zinc, copper, silver and molybdenum mines of N. America and many mines abroad.
Married Gertrude Monier Allen, March 7, 1905. Children: Edward Allen, Katherine Louise (Mistress John Prey Tynes), Sheldon Hoit.