Robert S. KramerRobert S. Kramer is Professor of History at St. Norbert College where he has taught African and Middle Eastern history since 1989. He first visited Sudan in 1986-87 and has been following it closely since then. During this time he has written numerus articles and book chapters on Islam and Muslim societies in Africa and also produced a book, Holy City on the Nile: Omdurman during the Mahdiyya. He was already a co-author of the third edition of this book. Read More Read Less