Ge, a native of Shaoxing, Zhejiang, 1945- 12 was born in Huzhou, Zhejiang, with a doctorate in history. He is currently the director of China Institute of Historical Geography and the director and professor of Fudan University Historical Geography Research Center. He is also a member of the International Historical Population Committee, a director of the China Historical Society, a vice president of the China Qin and Han History Research Association and a vice president of the Shanghai Historical Society. Engaged in historical geography, China history, population history, immigration history, etc., including Population Geography of the Western Han Dynasty, Population Development History of China, Worldwide: Unity and Division and China Politics, Unity and Division: Enlightenment from the History of China, A Brief History of Immigrants in China (co-author), and History of Chinese Immigrants (No.1 2 There are more than 0/00 papers/kloc-such as Travel Collection, Gravel Collection, Approaching the Sun-An Investigation by Ali, Cambridge Notes, China's Ancient Territory Changes, and China's Population and Modernization (co-authored).