Sun, Chi-Ting.-Born in Peng Lai, Shantung, 1887. Married, 1908. Studied at Shantung Provincial College, 1906-10; at Tsing Hua College, Peking, 1911. Arrived in America, September, 1911. Government support. Studied Electrical Engineering at Purdue University, 1911-15; at Massachusetts Institute of Technology, 1915-16. B.S., 1915. Elected to Eta Kappa Nu, December, 1914. Member, Cosmopolitan Club, 1911-15. Was with the General Railway Signal Co. and Westinghouse Electric and Manufacturing Co., 1915-16. Re-turned to China, December, 1916.