David F. Wright (1937-2008) was professor of patristic and Reformation Christianity at New College, University of Edinburgh. He wrote a number of books on both historical and theological topics.
Sinclair B. Ferguson is senior minister at First Presbyterian Church in Columbia, South Carolina, and serves as professor of systematic theology at Westminster Seminary in Dallas, Texas.
Tony Lane (DD, University of Oxford) is professor of historical theology at the London School of Theology. He is the author of A Concise History of Christian Thought and Justification by Faith in Catholic-Protestant Dialogue. A world-class Calvin scholar, he abridged the Institutes into a popular student edition and also edited the translation of Calvin's Bondage and Liberation of the Will.