Yen, Te-Ching.-Born in Shanghai, 1878. Married. Studied at Anglo-Chinese School, Shanghai, 1889-93; at Tung Wen College, Shanghai, 1893-95; at St. Xaviers' School, Shanghai, 1895-96. Arrived in America, December, 1896. Private support. Prepared for college at Episcopal High School, Virginia, 1896-98. Studied Engineering at the University of Virginia, 1898-99; at Lehigh University, 1899-1901. C.E., 1901. Awarded a gold medal for excellence in mathematics, 1898. Member, Mandalin Club, 1899-1901. Was with Min. R.R. and Mining Co., summer, 1900; with American Bridge Co. and Pencoyd Steel Works, 1901-2. Returned to China, July, 1902-Engineer, Canton-Hankow Railway, 1902-4. Consulting Engineer, Imperial Railway Administration, Shanghai, 1904. Assistant Engineer, Shanghai-Nanking Railway, Nanking, 1905. Assistant Engineer, Resident Engineer and District Engineer, Peking-Kalgan Railway, Peking, 1905-6. Assistant Chief Engineer, Szechuen Railway Company, I-Chang, 1901-11, Councillor, Ministry of Communications, Peking, 1912; Technical Expert, 1913. Managing Director, Canton-Hankow Railway, Wuchang, 1912-15. Chin Shih, 1906. Fourth and Third Class Chia Ho Decorations. Associate Member, American Society of Civil Engineers, 1908. Fellow, Permanent Way Association and Vice-President, Chinese Institute of Engineers, 1914-15.