Carl R. Trueman (Ph.D., University of Aberdeen) is Professor of Historical Theology and Church History at Westminster Theological Seminary. He is the author of Luthers Legacy: Salvation and English Reformers, 1525?1556; The Claims of Truth: John Owens Trinitarian Theology; Reformation: Yesterday, Today, Tomorrow; The Wages of Spin: Critical Writings on Historic and Contemporary Evangelicalism; John Owen: Reformed Catholic, Renaissance Man; and Minority Report: Unpopular Essays on Everything from Ancient Christianity to Zen Calvinism. He is also the editor of Themelios and has contributed to the Dictionary of Historical Theology; the Dictionary of National Biography; The Cambridge Companion to Reformation Theology, and the Blackwell Companion to Modern Theology. - Editorial Review. Dr. Clark was educated at the University of Nebraska (BA), Westminster Seminary California (MDiv), and St Anne's College, Oxford University (DPhil). He was a minister in the Reformed Church in the United States (1988-1998) and has been a minister in the United Reformed Churches in North America since 1998. He is Professor of Church History and Historical Theology at Westminster Seminary California, where he has taught since 1997, during which time he also served as Academic Dean (1997-2000) and the host of the Office Hours broadcast (since 2009). and has also taught at Wheaton College, Reformed Theological Seminary, Jackson, and Concordia University, Irvine.