Zhen, Juedan Tun-Shou.-Born in Soochow, 1881. Married, 1902. Studied at Nanyang College, Shanghai, 1898-1904. Graduated, 1904. Arrived in America, February, 1905. Government support. Studied Civil Engineering at the University of California, 1905-7; Liberal Arts at the University of Wisconsin, 1907-8; Railway Engineering and Economics at the University of Illinois, 1908-11. B.A., 1910; B.S. and M.A., 1911. Member, Cosmopolitan Club, 1907. Returned to China, August, 1911. Teacher of Mathematics, College of Finance, Peking, 1911. Professor of Civil Engineering, Nanyang College, Shanghai, 1912. Technical Associate, 1912-13; General Inspector, 1913; Technical Expert, 1913-13; and Chief, Department of Railway Statistics, Accounts, etc., 1914-16, Ministry of Com-munications. Chin Shih, 1911. Fifth Class Chia Ho Decoration. Member, Chinese Social and Political Science Association, 1915.