The September 2025 installment of the monthly RTS Jackson Online Discussion Forum features Dr. John V. Fesko, Dr. David Irving and Dr. Ligon Duncan discussing The Cathedral of Theology.

Dr. David T. Irving

Dr. David T. Irving serves as President and Assistant Professor of Church History and Pastoral Theology at Reformed Theological Seminary in Jackson, Mississippi. He was appointed to the role in June 2025, following faithful service as Pastor of Woodland Presbyterian Church (PCA) in Hattiesburg, Mississippi.

Dr. John V. Fesko

John V. Fesko (Ph.D., King’s College, University of Aberdeen) has taught at RTS Atlanta since 2000 while he served as a pastor in Northwest Atlanta and now serves as the Harriet Barbour Professor of Systematic and Historical Theology at RTS Jackson. You can follow him on Twitter.

Dr. J. Ligon Duncan III

Ligon Duncan (MDiv, Covenant Theological Seminary; PhD, University of Edinburgh) is the Chancellor & CEO of Reformed Theological Seminary, the John E. Richards Professor of Systematic and Historical Theology, and the President of RTS Jackson. He has authored, co-authored, edited, or contributed to numerous books. You can follow him on Twitter.