Yang Tianhong, Sichuan Chengdu people, Ph.D in History, graduated from the Department of History of Southwest China Teachers College, then the School of History and Culture of Sichuan University. Prof. Yang has a broad scope of research, which covers political, legal, economic, cultural, religious, ethnic, military and diplomatic fields of the periods spanning from the late Qing, the Republic of China and the People's Republic of China.