Authors — F

Sinclair B. Ferguson is a Scottish Reformed minister and theologian who has served as professor at Westminster Seminary and as senior minister of First Presbyterian Church in Columbia, South Carolina. His books — including The Holy Spirit, The Whole Christ, and Devoted to God — are noted for their clarity, pastoral warmth, and careful biblical reasoning within the Westminster standards tradition.

Roderick A. Finlayson (1895–1989) was a Free Church of Scotland minister from the Scottish Highlands who became Professor of Systematic Theology at the Free Church College in Edinburgh. Co-founder of the Scottish Tyndale Fellowship, he was regarded as one of the sharpest conservative Reformed theologians of his era, combining doctrinal rigor with a richly devotional style.

John Flavel (c. 1628–1691) was an English Puritan minister whose devotional writings — especially The Mystery of Providence and Keeping the Heart — have made him among the most widely read Puritans across subsequent centuries.

John Foxe (1516–1587) was an English historian and Protestant martyrologist, author of Acts and Monuments — Foxe's Book of Martyrs — the most widely read book in Elizabethan England after the Bible.

John M. Frame (b. 1939) is a Reformed philosopher and theologian who taught at Westminster Theological Seminary and Reformed Theological Seminary. He is best known for developing "triperspectivalism" as an approach to Christian epistemology and ethics, and for major works including The Doctrine of the Knowledge of God and a multi-volume systematic theology.