Dingxin Zhao ( Chinese: 赵鼎新; born 1953) is a Chinese sociologist and the Max Palevsky Professor Emeritus of Sociology at the University of Chicago. [1] His book, The Power of Tiananmen State-Society Relations and the 1989 Beijing Student Movement, is widely considered the definitive work on the 1989 Tiananmen Square protests and massacre. [2] He is also a former mathematical ecologist, [3] and has doctorates in both entomology and sociology. [4] His areas of specialization include political sociology and the sociology of social movements.