- 個人
Official Acting Director of Education, Hong Kong (1971)
Assistants Director of Education, Hong Kong (?)
Official Acting Director of Education, Hong Kong (1971)
Assistants Director of Education, Hong Kong (?)
Chairman of State Education Committee of the People's Republic of China (1993-1998)
President of Chinese University of Hong Kong (1987-1996)
Vice-Chancellor of Chinese University of Hong Kong (1978-1987)