JOHN FRAME served as J.D. Trimble Chair of Systematic Theology and Philosophy at Reformed Theological Seminary, Orlando, until retiring in 2018. Dr. Frame distinguished himself during 31 years on the faculty of Westminster Theological Seminary, and was a founding faculty member of WTS California. He is best known for his prolific writings, but he is also a talented musician and discerning media critic who is deeply committed to the work of ministry and training pastors.
VERN POYTHRESS serves as Distinguished Professor of New Testament and Biblical Interpretation at Westminster Theological Seminary. He was previously editor of the Westminster Theological Journal. His wide-ranging interests allow him to write with theological depth in areas as divergent as linguistics, mathematics, science, and sociology.Poythress joined the Westminster faculty in 1976 and has also served as an instructor at the Summer Institute of Linguistics.