About Heidelblog

The Heidelblog has been in publication since 2007. It is devoted to recovering the Reformed confession and to helping others discover Reformed theology, piety, and practice. Meet all the HB contributors»

Why Study The Heidelberg Catechism?

Growing up as a Dutch Presbyterian with parents from a Christian Reformed Church background, I was always familiar with the Heidelberg Catechism, but I did not have many opportunities to read and study it myself. And when I had the opportunity, I . . . Continue reading →

In Memoriam Paul Helm (1940–2025)

Paul Helm, who died on December 29 at home in Gloucestershire aged 85, was the leading philosophical defender of Calvinism in the United Kingdom over the past 50 years. Helm was the best kind of Calvinist: His steely intellect was concealed by . . . Continue reading →

Hart On Machen’s Most Important Book

Most Christians who know about J. Gresham Machen, associate him with his most popular book, Christianity and Liberalism (1923). Even in the Orthodox Presbyterian Church and extending outward to communions in NAPARC, Reformed Christians know Machen mostly through the book he wrote at the . . . Continue reading →