Edward T. Welch, M.Div., Ph.D., is a licensed psychologist and faculty member at the Christian Counseling & Educational Foundation (CCEF). He has counseled for thirty years and is the best-selling aut�
John Owen was an English theologian and "was without doubt not only the greatest theologian of the English Puritan movement but also one of the greatest European Reformed theologians of his day, and q�
Graeme Goldsworthy is an Australian Anglican and Old Testament scholar. Now retired, Goldsworthy was formerly lecturer in Old Testament, biblical theology and hermeneutics at Moore Theological College�
Owen Palmer Robertson (born August 31, 1937) is an American Christian theologian and biblical scholar. He taught at Reformed Theological Seminary, Westminster Theological Seminary, Covenant Theologica�
Dr. Joel R. Beeke serves as President and Professor of Systematic Theology, Church History, and Homiletics at Puritan Reformed Theological Seminary. He has been in the ministry since 1978 and has serv�
William Lane Craig is Research Professor of Philosophy at Talbot School of Theology in La Mirada, California. He and his wife Jan have two grown children.
John Gresham Machen was an influential American Presbyterian theologian in the early 20th century. He was the Professor of New Testament at Princeton Seminary between 1915 and 1929, and led a conserva�
David R. Helm, along with Arthur Jackson, serves as Lead Pastor of the Hyde Park Congregation of Holy Trinity Church Chicago. David is Chairman of The Charles Simeon Trust, a ministry devoted to equip�
For his education, Frame received degrees from Princeton University (A.B.), Westminster Theological Seminary (B.D.), Yale University (A.M. and M.Phil., though he was working on a doctorate and admits �
(John Charles Ryle) Ryle started his ministry as curate at the Chapel of Ease in Exbury, Hampshire, moving on to become rector of St Thomas's, Winchester in 1843 and then rector of Helmingham, Suffolk�
Richard Baxter (1615-1691) was an English Puritan church leader, poet, hymn-writer, theologian, and controversialist. Dean Stanley called him "the chief of English Protestant Schoolmen". After some fa�
Carl R. Trueman (PhD, University of Aberdeen) is the Paul Woolley Professor of Church History at Westminster Theological Seminary and pastor of Cornerstone Presbyterian Church (OPC) in Ambler, Pennsyl�
Dr. K. Scott Oliphint Is professor of Apologetics and Systematic Theology at Westminster Theological Seminary. He is a graduate of West Texas State University (B.A., 1978) and Westminster (M.A.R., 198�
David Powlison, MDiv, PhD, (1949�2019) was a teacher, counselor, and the executive director of the Christian Counseling & Educational Foundation (CCEF). He wrote many books and minibooks, including Sp�
Richard B. Gaffin, Jr. is a Calvinist theologian, Presbyterian minister, and was the Charles Krahe Professor of Biblical and Systematic Theology at Westminster Theological Seminary in Philadelphia, Pe�
John Murray was a Scottish-born Calvinist theologian who taught at Princeton Seminary and then left to help found Westminster Theological Seminary, where he taught for many years.
Dane C. Ortlund (PhD, Wheaton College) is chief publishing officer and Bible publisher at Crossway. He serves as an editor for the Knowing the Bible series and the Short Studies in Biblical Theology s�
Brandon D. Crowe (B.A., Samford University; M.Div., Reformed Theological Seminary; Ph.D. University of Edinburgh) is Assistant Professor of New Testament at Westminster Theological Seminary and Book R�