On Oct. 4, David Derwei Wang will discuss the writings of Liang Qichao, a Chinese journalist, novelist and activist. Wang’s talk is titled “The Future of New China: Revolution in Fiction.” Wang, who has written, translated or edited more than 20 books, including “The Monster That is History: History, Violence, and Fictional Writing in Twentieth-Century China,” is the Edward C. Henderson professor of Chinese Literature at Harvard.