STEPHEN R. PLATT is an award-winning historian of China and the West whose books include Imperial Twilight (Knopf, 2018) and Autumn in the Heavenly Kingdom (Knopf, 2012), the latter of which won the Cundill History Prize. He is a professor at the University of Massachusetts, Amherst and holds a PhD from Yale. He lives with his family in Northampton, MA.