David Eltis is Robert W. Woodruff Professor of History at Emory University and has held visiting appointments at Harvard and Yale universities. He is author of The Rise of African Slavery in the Americas, co-compiler of The Transatlantic Slave Trade: A Database on CD-ROM and its successor on www.slavevoyages.org co-editor of Extending the Frontiers: Essays on the New Transatlantic Slave Trade Database (with David Richardson), co-editor of Slavery in the Development of the Americas (with Frank Lewis and Kenneth Sokoloff), and editor of Coerced and Free Migrations: Global Perspectives. He is als...