Ho, Chieh.-Born in Canton, 1888. Married, 1915. Studied at Can-ton Christian College, 1903-6; at Tangshan Railway and Engineering Col-lege, Tangshan, 1907-9. Arrived in America, November, 1909. Government support. Studied Mining and Metallurgy at Colorado School of Mines, 1910-13; at Lehigh University, 1913-14. E.M., 1913; M.S., 1915. Returned to China, August, 1914. Professor of Mining and Metallurgy, Government University, Peking, 1914 to date.