Fang Lizhi was an astrophysicist and the vice president of the University of Science and Technology of China. A recipient of the Robert F. Kennedy Human Rights Award, he was a professor of physics at the University of Arizona until his death in 2012.
Perry Link, professor emeritus of East Asian Studies at Princeton University, teaches at the University of California, Riverside. He is the author or editor of several books on Chinese literature, culture, and politics, including The Tiananmen Papers.