Michael W. Charney is Professor of Asian and Military History at SOAS, the University of London. He is a military and imperial historian working on Southeast Asia in the premodern and modern periods and on pre-colonial and colonial West Africa. Dr Kathryn Wellen is a historian at the KITLV (part of the Royal Netherlands Academy of Arts and Sciences) in Leiden. Her current research focuses on the pre-Islamic history of South Sulawesi, Indonesia.