About R. Scott Clark

R. Scott Clark is the President of the Heidelberg Reformation Association, the author and editor of, and contributor to several books and the author of many articles. He has taught church history and historical theology since 1997 at Westminster Seminary California. He has also taught at Wheaton College, Reformed Theological Seminary, and Concordia University. Read more» He has hosted the Heidelblog since 2007.

Reformation Day 2013: A Convict, A Commentator, And A Catechism

The good folk at Escondido URC invited me to speak for their Reformation Day celebration. Since it’s the 450th anniversary of the Heidelberg Catechism (this is the Heidelblog, after all) I spoke on the some of the personalities behind the catechism and . . . Continue reading →

The Freedom of the Christian Man (3)

Luther at the Diet of Worms

Part 2. On 18 April 1521 Martin Luther stood before civil and ecclesiastical authorities at the Diet (Riechstag) of Worms. Heiko Oberman translated Luther’s famous speech thus: “Unless I am convinced by the testimony of the Holy Scriptures or by evident reason—for I . . . Continue reading →

Freedom of the Christian Man (2)

Part 1. Many of us have spent time in forms of Christianity that are very strong on rules and slavery and very weak on grace and freedom. By “rules and slavery” I refer to the imposition of man-made rules by which sanctity . . . Continue reading →

Freedom of the Christian Man (1)

There is a great lot of talk in the evangelical and Reformed world(s) about sola Scriptura but one has the growing sense that not only is the Reformation scripture principle not well understood (e.g., it is often misconstrued as an endorsement of . . . Continue reading →

A Response To Rachel Held Evans Regarding Wilson And The Definition Of “Reformed”

Jonathan Merritt published a critique of Doug Wilson this morning on his Religion News Service. For younger readers, who might not remember the Federal Vision (FV) controversy, Wilson is the leader of the de facto denominational home of the FV, the Communion of . . . Continue reading →

Mystery Unveiled: The Crisis of the Trinity in Early Modern England

In the Reformation and in the period of Reformed orthodoxy, there was no question whether the Christian faith is true. There were great and important questions debated between the Reformed churches and theologians with the Roman communion, the Lutherans, the Anabaptists, and . . . Continue reading →

The Intoxicating Power Of Moral Superiority

A while back some of us were discussing the problem of political correctness on university campuses, freedom of thought and speech, and speech codes. If universities were meant to be places of open enquiry, where theories may be proposed and debated, then . . . Continue reading →

Reformed And Pentecostal?

In view of the controversy over the recent Strange Fire conference up the road, it seemed like a good time to re-post this HB classic from 2008. § James K. A. Smith has an interesting post at Christianity Today, Teaching a Calvinist to Dance. . . . Continue reading →

Carl And Todd Are Not Nice

So far the best thing about the Mortification of Spin podcast has been the occasional appearances—an odd word for a aural medium—of Aimee Byrd. One of these days she might just roller-skate right over to Philadelphia and then whammo! Certainly they are proving . . . Continue reading →

Office Hours: The Lordship Controversy Is Back

This is season 5 of Office Hours and we’re talking about sanctification: New Life In The Shadow Of Death. In this episode, Mike Horton, J. Gresham Machen Professor of Systematic Theology and Apologetics, and I time travel to the  “Lordship Controversy” that raged . . . Continue reading →