Cho-yun Hsu is University Professor Emeritus of the University of Pittsburgh. His research and teaching specializations include ancient Chinese civilizations and comparative civilizations. Timothy Danforth Baker Jr. is assistant professor of history at the National Dong Hwa University in Taiwan, ROC. He earned his M.A. from National Taiwan University and his Ph.D. from Harvard. Michael S. Duke is professor emeritus of Chinese and comparative literature at the University of British Columbia.