Mei, Y. C.-Born in Tientsin, 1889. Studied at Nankai School, Tien-tsin, 1904-8; at Chihli Provincial College, Paoting, 1908-9. Arrived in America, November, 1909. Government support. Studied Electrical Engineering at Worcester Polytechnic Institute, 1909-14. B.S., 1914. Elected to Sigma Xi, June, 1914. Secretary, Chinese Students' Alliance, 1912-13. President, Worcester Cosmopolitan Club, 1913-14. Treasurer, W.P.I.Y.M.C.A., 1913-15. Treasurer, Chinese Students' Christian Association, 1913-14. Manager, Chinese Students' Monthly, 1913-14. Was with the Testing Department, General Electric Co., Schenectady, summer, 1913. Returned to China, August, 1914. Student Secretary, Y.M.C.A., Tientsin, 1914-15. Teacher of Mathematics, Tsing Hua College, 1915 to date.