Yeh, Ting Shien.-Born in Lee Ling, Hunan, 1886. Married, 1906. Studied at Changsha Middle School, Changsha, 1904-5; at Chinese Educational Mission School, Changsha, 1906; at College of Languages, Mukden, 1908-9; at College of Finance, Peking, 1909-10. Instructor, Li Kiang School, Pinghsiang, 1907. Arrived in America, September, 1910. Government support. Studied Electrical Engineering at Lehigh University, 1910-14: at Union College, 1914-15. E.E., 1914: M.S., 1915. Elected to Tau Beta Pi, October, 1913; to Sigma Xi, April, 1915. President, Lehigh Chinese Students' Club, 1913-14. Member: Electrical Society of Lehigh University, 1912-14: Chinese Students' Alliance, 1910-15. Frequent contributor of articles to Chinese Students' Monthly, Chung Hua Industrial World, etc. Assistant Editor, Chinese Students' Quarterly, 1913-14. Testman, General Electrical Company, 1914-15. Returned to China, August, 1915. Instructor in Electrical Engineering, Hunan Polytechnic Institute, 1915-16. Engineer, Siemens China Co., Hankow, 1916. Head of Physics and Mathematis Department, Government Teachers' College, Hunan, 1916 to date.