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.

With The Pactum Podcast On “Do This And Live”

Pat Abendroth is a friend and pastor of Omaha Bible Church and the host of The Pactum Podcast. Pactum is a Latin noun for covenant. You might see or hear it used, e.g., to refer to the pactum salutis, the covenant of redemption between . . . Continue reading →

James Does Not Contradict Paul And Vindication Is Distinct From Justification

And There Is Plenty Of Courtroom Language In The New Testament

Why did James say “justify” if he did not mean to indicate that there is either a second way of justification (e.g., by works) or if he did not mean to signal that works somehow play some role other that fruit and evidence. Continue reading →

The Three Forms Of Unity In Taught In Swahili, In Isiolo, Kenya

Heidelmedia Has A Global Reach

Thanks for providing such great resources. Many of our Kenyan friends are now listening to the Heidelcast series “I will be a God to you and unto your children.” Continue reading →

Romans 2:13 As An Acid Test

I had the privilege of talking with my friend Pat Abendroth last night. He is the senior pastor of Omaha Bible Church. He is a gospel preacher. We were recording an episode of his excellent podcast, The Pactum and we discussed what the . . . Continue reading →

Machen’s Private Racism And Contemporary Public Segregationism

Andrew Bertodatti and Rasool Berry, two pastors in New York City, have written a lengthy critique of a new book by Owen Strachan. My interest in this essay is not to engage with Strachan’s book, which I have not read, nor to . . . Continue reading →

On “Meta” Ministry, Docetism, VR Church, And The Communion Of The Saints

Already in the apostolic period of the church there were heretics, John calls them “antichrists” (1 John 2:18, 22; 4:2–3; 2 John 1:7) who taught that Jesus only appeared to be human but that he did not have a true human body. . . . Continue reading →

The Use Of Images Is An Indicator Of The Functional Authority Of The Standards In The PCA

When the Westminster Assembly (1643–52), which was composed of Episcopalians, Congregationalists, and Presbyterians, deliberated on the moral law of God, they agreed on with the church of all ages and times on the abiding validity of God’s moral law. In their Confession (19.5) . . . Continue reading →

On Leaving The Mainline: Some Friendly Advice To The Alliance Of Reformed Churches

Kathryn Post, writing for the Religion News Service (HT: Christianity Today), writes, “On New Year’s Day, 43 congregations of the Reformed Church in America (RCA) split from the national denomination, one of the oldest Protestant bodies in the United States, in part over theological differences regarding same-sex marriage and the ordination of LGBT clergy.” This move, she says, “follows the RCA General Synod’s October decision to adopt measures for ‘grace-filled separation’ with departing churches and to appoint a team to develop a restructuring plan for those that remain.”  These 43 congregations (so far) have formed The Alliance of Reformed Churches. Continue reading →

A Pastor’s Plea: Let The Church Help You Think Through Difficult Issues

Introduction Americans are an independent lot. In the secular sphere (e.g., politics and economics) that can be an admirable quality which contributes mightily to freedom and prosperity. In the sacred sphere (e.g., in the life of the church, in our spiritual and . . . Continue reading →

Conversion, Church Planting, And The Due Use Of Ordinary Means

As a follow up to the recent post about the intersection between Acts 29, Mars Hill, and the PCA, someone sent a link to the application to be filled in/out on for the Spanish River Church Planting program. One of the questions on . . . Continue reading →

An Overlooked Aspect Of The Story: PCA Influence On Acts 29 And Mars Hill

Regular readers of the Heidelblog and listeners of the Heidelcast will know that considerable time has been spent here analyzing and interacting with the podcast series produced by Christianity Today and hosted by Mike Cosper (see the resources below).

The Next Church-Growth Fad: Big Data

One of the several quiet revolutions introduced into American life by the two Obama Administrations was the use of “Big Data” to target voters. To that point no campaign had harnessed the power of the internet the way the Obama campaign had. . . . Continue reading →

The St Nicholas Of History (Sort Of)

After the recent Heidelcast episode on Christmas and Santa Claus, Brad Isbell reported that his better half asked something to the effect of, “but what about the real St Nicholas?” This is a great question and one that I have intended to . . . Continue reading →

Johnson To The PCA: “Merry Christmas. Here Is A Lump Of Coal For Your Stocking”

For several years now, the Presbyterian Church in America (PCA) has been roiled by controversy over whether to admit to her ministry men who are same-sex attracted but celibate (i.e., the so-called “Side B” approach). The debate has centered around a the . . . Continue reading →