Saul Dubow is Professor of African History at Queen Mary, University of London. He is the author of several books about modern South Africa which deal with ideas and knowledge, including A Commonwealth of Knowledge. Science, Sensibility and White South Africa 1820-2000 (Oxford, 2006); Scientific Racism in Modern South Africa (Cambridge, 1995), and an edited volume Science and Society in Southern Africa (Manchester, 2000). He is currently completing a New History of Apartheid for Oxford University Press. G. Balandier, T.O. Biedelman, Bernard S. Cohn, C.A. Bayly, Ranajit Guha, Talal Asad, Archie Mafeje, Tony Ballantyne, Arjun Appadurai, Keletso E. Atkins, Benjamin Schmidt, Robert A. Stafford, David Arnold, Patrick Harries, Richard H. Grove, William Beinart, Luise White, Neil Safier, Saul Dubow, Daniela Bleichmar.