Mark W. GrahamMark W. Graham is chair of the history department at Grove City College, where he has taught numerous classes on the premodern world for more than two decades. He also taught at a university in Yanji, China. As an affiliated faculty with Centr di Conservazione Archeologica, Mark has worked on archaeological projects and sites in Sardinia, Corinth, and Rome. He also helped excavate the Byzantine emperor Justinian's church in Carthage. He earned his doctorate in history at Michigan State University. Graham has been an elder in his local Presbyterian church for over a decade and serves on several committees in his presbytery. Read More Read Less