Ye Lang, once dean of the Philosophy Department, Religious Studies Department and Fine Arts Department of Beijing University, is a professor of Philosophy School in Beijing University, dean of the Fine Arts School, president of Cultural Industry Research Institute, director of Fine Arts Studies and Education Research Center of Beijing University and president of the Beijing Philosophy Society. His well-known works include Having a Well-thought-out Stratagem, Cannot Stop, Outline of Chinese Fine Arts History, Esthetics in Chinese Novels, Modern Fine Arts (Chief Editor), Chinese Culture Introduction (Chief Editor) and Chinese Fine Arts Collection (General Chief Editor).Zhu Liangzhi is a professor of the Philosophy School and deputy director of the Fine Arts Studies and Education Research Center in Beijing University. His works include Ten Lectures on Chinese Art Theory, the World of Chinese Traditional Drawing, Research on Shi Tao, Research on Badashanren, 15 Lectures on Chinese Esthetics, Living Spirit in Chinese Art, Chinese Fine Arts Collections (Associate General Chief Editor).