Donald M. Lewis is an historian specializing in the study of Evangelical Christianity. He holds a doctorate from the University of Oxford and currently is professor of Church History at Regent College, a graduate school of Christian Studies affiliated with the University of British Columbia, in Vancouver, Canada. His first book Lighten Their Darkness: the Evangelical Mission to Working-Class London, 1828-1860 (Greenwood Press, 1985; republished in 2001 by Paternoster) is a ground-breaking work that focuses on popular religion in the Victorian slums. He worked for ten years as the editor of the two-volume Blackwell Dictionary of Evangelical Biography (Oxford: Blackwell, 1995 republished in 2005 by Hendrickson). Professor Lewis is a Fellow of the Royal Historical Society in England.