Sermons remain one of the last forms of public discourse where it is culturally forbidden to talk back.

Cox's research and teaching focus on theological developments in world Christianity including liberation theology and the role of Christianity in Latin America. (born May 19 1929 in Malvern Pennsylvania) is one of the preeminent theologians in the United States and served as Hollis Research Professor of Divinity at the Harvard Divinity School until his retirement in October 2009. Harvey Gallagher Cox Jr.