Woo, Chang.-Born in Satlung, Kwangtung, 1890. Married, 1913. Studied at Liangkwang College, Canton, 1908. Arrived in America, January, 1908. Private support. Prepared for college at Boonse's School, 1908-9. Studied Mechanical Engineering at the University of California, 1909-10; Chemical Engineering at the University of Wisconsin, 1910-12 and at the University of Iowa, 1912-13. B.E., 1913. Member, Cosmopolitan Club, 1912-13. Returned to China, August, 1913. Teacher, Kwangtung College, Canton, 1913-14. Teacher of Mathematics, Government Teachers' College and Superintendent, Fang Hing Tannery, Canton, 1914 to date. Member, Club Concordia, 1915.