Lau, Waan-Wai.-Born in San Francisco, 1891. Studied at Canton Christian College; 1905-9. Graduated, 1909. Arrived in America,September, 1910. Government support. Studied Economics at Cornell University, 1910 and Civil Engineering, 1913-15; Military Science and Engineering at Fort Leavenworth, 1915-16. B.A., 1914; C.E., 1915. Graduated from Army Service School at Fort Leavenworth, 1916. Member, Science Club, 1914-16. Returned to China, August, 1916. Teacher, Tsing Hua College, 1916 to date. Member, American University Club, 1916.