Theologian · Early modern
John Calvin
1509–1564 · Reformed (Calvinist) theology
Never a cleric; his Institutes were placed on the Index, and his doctrines on grace, predestination, the Eucharist and the Church were condemned at Trent.
French humanist and lawyer, Calvin fled to Basel and then governed Geneva as its reformer. The Institutes of the Christian Religion (1536–1559) set out a complete Reformed theology: the sovereignty and glory of God, Scripture self-authenticating by the Spirit's inner witness, total depravity, double predestination (election and reprobation before all foreseen merit), justification by faith alone, a spiritual but real presence in the Supper, and a Church governed by pastors, elders and discipline.
Why he matters: He gave Protestantism its most systematic form, and his doctrine of predestination is the position the Church's permitted schools (Thomist and Molinist alike) must distinguish themselves from; the Congregatio de Auxiliis forbade the charge of Calvinism against the Dominicans precisely because the difference is real.
Where to be careful
Trent condemns his teaching on justification, free will, the Eucharist and the Church; his iconoclasm is contrary to Nicaea II; double predestination is contrary to Quierzy (853) and to the Church's whole teaching that God wills all to be saved. His exegesis and his sense of the divine majesty are nonetheless formidable.
Reading
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Institutes of the Christian ReligionJohn Calvin (trans. Ford Lewis Battles) · Book III, chs. 21–24 on predestination; Book IV on the Church and sacraments.
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Reply to SadoletoJohn Calvin (with Cardinal Sadoleto's Letter to the Genevans) · The exchange that states both sides in short compass.
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CalvinBruce Gordon · A fair modern biography.
Documented positions
Where this thinker stands on each dispute the test covers.