Zi, Su.-Born in Wusih, Kiangsu, 1891. Married, 1915. Studied at St. John's University, Shanghai, 1911. Arrived in America, September, 1911. Government support. Studied Electrical Engineering at Purdue University, 1911-14; Electrical Railway Engineering at Masschusetts Institute of Technology, 1915-15. B.A. and E.E., 1914. Returned to China, June, 1915. Engineer in charge of the Submarine Cable at Shanghai for the Ministry of Communications, 1915.