Pan   Jia,  invited researcher and doctor,   graduated from the Institute of ancient books of Fudan University, majoring   in Chinese classical philology, and is now a postdoctoral fellow of the   Department of liberal arts and natural history of Fudan University. The main   research directions are language, classical literature, ancient architecture   and gardens. His main works include: research and development report on   Chinese language and writing policy, common language and common home, past   and present lives of Mandarin, Yan Xing's masterpiece: newly discovered   Ryukyu envoys report to Wen Guang, etc., and pan Zuyin's collection of   ancient Egyptian inscriptions and stone carvings.