Zhen, M. S.-Born in Soochow, 1891. Studied at Nanyang College, Shanghai, 1902-10; at Tsing Hua College, 1911. Graduated from Nanyang College, 1909. Arrived in America, September, 1911. Government support. Studied Mechanical Engineering at Massachusetts Institute of Technology, 1911-14; Physics at Columbia University, 1915-16. S.B., 1914; A.M., 1916. Returned to China, July, 1916.