Background
CHANG, Doctor of Philosophy was born in February 1917 in Fangshan Company, Beijing City.
scientist and university professor
CHANG, Doctor of Philosophy was born in February 1917 in Fangshan Company, Beijing City.
Kumming South-West University, Ha: vard University.
Of Standing Committee of China Democratic League since 1983. Department, of Technology, Academia Sinica 1985-■ Honorary State Prize of Science of China 1988.