Professor at the School of Liberal Arts, Renmin University of China; Main research fields include: classical western languages, history of classical and medieval literature, philosophy, theology.Major publications include: Zhang Heng, Science and Religion; Ancient Greece, Rome, and Christianity; Dictionary of Latin Proverbs; Polyglot Dictionary of Legal Maxims; Concise Textbook for Latin; Summaries of Western Classics; Dictionary of the History of Christianity in China; translator or editor of: Beyond East and West; Christian Ethics; A History of  Christian Missions in China.