Theologian · Early modern
Francisco de Vitoria
c. 1483–1546 · School of Salamanca (Thomism)
Dominican, founder of the School of Salamanca; father of international law.
Dominican master at Salamanca, Vitoria replaced the Sentences with the Summa as the theology textbook and applied St. Thomas to the new questions of his age. In his relectiones On the American Indians and On the Law of War he argued that the Indians were true owners of their lands with full rights by natural law, that neither Pope nor Emperor had dominion over the world, and that war is just only for a wrong received and must be proportionate.
Why he matters: He founded international law on the natural law and the community of all peoples (ius gentium), and showed that Thomist principles could judge, not merely bless, the conduct of Christian states.
School of Thomism · The commentators
Cajetan, Bañez and John of St. Thomas, who defended Thomas against Scotists, nominalists and Jesuits and in doing so systematized him: the real distinction, premotion, the analogy of proportionality. Rigorous, Catholic and indispensable, but a step away from Thomas's own voice.
Others in this strand: Cajetan (Tommaso de Vio), Domingo Báñez, John of St. Thomas (João Poinsot), OP
Reading
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Political WritingsFrancisco de Vitoria (ed. Pagden and Lawrance) · On the American Indians, On the Law of War, On Civil Power.
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The School of SalamancaMarjorie Grice-Hutchinson · Short, on the Salamancans' economics and law.
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The Spanish Origin of International LawJames Brown Scott · The classic case for Vitoria as founder.
Documented positions
Where this thinker stands on each dispute the test covers.