Ku, Yen-Tung.-Born in Tientsin, 1892. Married. 1912. Studied at Nankai School, Tientsin, 1906-8; at Chihli Provincial College, Paoting, 1908-10; at Tangshan Railway and Engineering College, 1910-16. Graduated, 1914. Arrived in America, September, 1914. Private support. Studied Mechancial Engineering at Purdue University, 1914-16. B.S., 1916. Returned to China, July, 1916.