This post examines Peter Martyr Vermigli’s understanding of natural law, while Part 6 will take up the natural-law thinking of Jerome Zanchi, Martyr’s former student and colleague.
Martyr was born in Florence in 1499, entered the Augustinian Canons, and took a doctorate in theology at the leading center of Renaissance Aristotelianism, the University of Padua. His favorite authors were Aristotle and Thomas. In Italy he enjoyed a distinguished career as teacher, preacher, and abbot. By 1540 he was already Protestant by conviction; after persuading many citizens and canons, including Zanchi, to convert, Martyr fled to Zurich in 1542 to escape the Inquisition. During the last twenty years of his life he taught at Strasbourg, Oxford, and Zurich. He died in 1562 two years before Calvin. Over half a dozen of his students became important theologians. And all together there were about 110 printings of his various writings, which consist of about twenty-five massive volumes. Within Reformed circles he was universally admired for his piety, prudence, and scholarship. (This paragraph is adapted from John Patrick Donnelly, “Calvinist Thomism,” Viator 7 (1976): 442).