1908 ——1909 studied at Shanghai sinian public school and left school.
1909 ——1918 went to the United States to study in the Physics Department of Harvard University. 19 13 received a bachelor of science degree,
19 14 obtained the master of science degree. 19 18 received a doctorate in philosophy.
1918 ——1925 successively served as professor and head of physics department of Nanjing Normal University and National Southeast University (predecessor of Nanjing University).
1925 ——1926 Professor of national chiao tung university (predecessor of Shanghai He 'an Jiaotong University), Tongji University, Guanghua University and Daxia University.
1926 ——1927 Professor of Xiamen University and Dean of Science College.
1927 ——1928 used to be the director, professor and dean of the Science College of the 4th National Sun Yat-sen University.
1928 ——1931full-time researcher, institute of physics, academia sinica.
1931-1936, professor of jiaotong university.
1936 ——1949 Professor of Zhejiang University, Dean of College of Arts and Sciences, Dean of College of Science.
1949 ——1951was a professor at Beiyang University and Tangshan Jiaotong University (now Southwest Jiaotong University).
1918-1950 concurrently holds the post of professor, dean of science college, dean and president of engineering college of private Datong University in Shanghai.
1951-1952 Professor of Tianjin University.
1952 ——1960 Professor, Department of Physics, Nankai University.
1966 February 19 died in Tianjin.