R. Charles Weller, Ph.D., is Associate Professor of History (Career), Washington State University, USA, and Senior Research Fellow, Al-Farabi Kazakh National University, Kazakhstan. He has also been a visiting fellow at Yale University (2010-11), a non-residential visiting researcher at Georgetown University’s Center for Muslim-Christian Understanding (2014-2019) and Affiliate Faculty of History (Research) at George Mason University (2021-22).