Gregg Quiggle served for nearly forty years at Moody Bible Institute as the D.L. Moody Professor of Historical Theology and Dean of Study Abroad. He graduated from Wheaton College (BA, MA in Church History/Theological Studies) and Marquette University (MA in Historical Theology) before earning his PhD at Open University by focusing on Dwight Moody’s approach to urban social problems. Dr. Quiggle has written and lectured extensively on the impact of Dwight Moody and has contributed to multiple books, most recently MBI’s One Volume Seminary. He is also the author of Bread and Bibles: D.L. Moody’s Evangelism and Social Action. Now retired from teaching, he operates Quotelos Travel Service, a Christian history tour company.