Thursday, August 7, 2025

From Protestant Critics to Catholic Converts: Famous Theologians Who Crossed Over

Journey to Catholicism
Discover the stories of famous Protestant Bible scholars who initially opposed Catholic teachings but later converted to Catholicism. Read their conversion journeys and understand what led them home.


 

Introduction

History is marked by scholars who once staunchly challenged Roman Catholic doctrine—only to become converts themselves. These journeys, often anchored in theology, scripture, and conscience, demonstrate the powerful drawing of truth and tradition. Here are two especially notable examples.


1. Dr. Scott Hahn – From Presbyterian Pastor to Catholic Apologist

Background & Objections

Dr. Scott Hahn began as a Presbyterian pastor, deeply committed to sola scriptura. He vigorously criticized Catholic teachings, believing the Gospel had been overshadowed by medieval superstitions.
The Catholic MeGetReligion

Conversion Story

Hahn’s conversion emerged during his seminary studies, sparked by his deep dive into the theology of covenant. Influenced by Catholic moral teaching (e.g., opposition to contraception) and recognizing the Church as “pillar and bulwark of the truth” (1 Timothy 3:15), his convictions shifted. He entered the Catholic Church at Easter 1986.

WikipediaCERC


2. Peter Kreeft – Philosopher Embracing the Catholic Church

Background & Criticism

Peter Kreeft, raised in the Dutch Reformed tradition, was initially skeptical of Catholic claims. His academic journey, however, led him to reevaluate.

Conversion Story

While in college, a Calvinist professor challenged him to examine the historical foundation of the Catholic Church. He discovered in early Church history the roots of Eucharistic belief, apostolic succession, and ecclesial unity. Ultimately, he concluded the Church's claim to be the one founded by Christ was either blasphemous—or true. He became Catholic.

Wikipedia


3. Francis J. Beckwith – Evangelical Theologian Turned Catholic

Background & Objections

A prominent Baptist-affiliated professor and president of the Evangelical Theological Society, Beckwith was a respected Protestant theologian.

Conversion Story

In 2007, he resigned from his leadership position and converted to Catholicism—a decision that shocked the academic evangelical community and triggered significant personal backlash.

The Washington Post


4. John Bergsma – Calvinist Pastor to Catholic Scholar

Background & Objections

John Bergsma served as a pastor within the Calvinist tradition and held a Master of Theology from Calvin Theological Seminary.

Conversion Story

In 2001, after academic study (particularly of Old Testament and Dead Sea Scrolls) and reflection on Church history, he converted to Catholicism. He now serves as a theology professor at Franciscan University of Steubenville and co-authors works with Scott Hahn.

Wikipedia


Summary Table

ScholarBackgroundConversion Highlights
Scott HahnPresbyterian pastor, covenant theologianInfluenced by covenant theology and moral teaching (contraception)
Peter KreeftDutch Reformed philosopherMoved by Church's historical continuity and theological claims
Francis BeckwithEvangelical theologianLeft ETS leadership after deep theological discernment
John BergsmaCalvinist pastor & scholarConverted after instruction and scholarship on Scripture and history

 

Read also:   Scott Hahn: Leading Catholic Biblical Scholar, Apologist, and Evangelizer

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