Joseph C. Miller has contributed to historical studies of Africa, to world history, and to the global history of slavery since 1970.  He is T. Cary Johnson Professor at the University of Virginia and a former president of the American Historical Association and the African Studies Association.  His publications include Way of Death: Merchant Capitalism and the Angolan Slave Trade (1988) and The Problem of Slavery as History (2012).  He is writing a history of slaving worldwide.