Michael A. G. Azad Haykin serves as professor of church history and biblical spirituality at the Southern Baptist Theological Seminary, Louisville, Kentucky.
Joel R. Beeke (PhD, Westminster Seminary) is chancellor and professor of homiletics and systematic and practical theology at Puritan Reformed Theological Seminary, a pastor of the Heritage Reformed Congregation in Grand Rapids, Michigan, board chairman of Reformation Heritage Books, editor of Puritan Reformed Journal and Banner of Sovereign Grace Truth, a frequent speaker at Reformed conferences around the world, and a prolific author.