Rodrigo Sánchez de Arévalo

Rodrigo Sánchez de Arévalo (; Santa María la Real de Nieva, diocese of Segovia, 1404 – 4 October 1470) was a Spanish churchman, historian and political theorist.

A learned Spanish bishop, after studying law at Salamanca for ten years and there graduating as Doctor, he became secretary to John II of Castile, and Henry IV of Castile. They employed him as envoy on various missions, notably to the Holy See apropos of the Council of Basle, whose conciliarist theories he opposed. While on a mission to the Holy Roman Empire, he was addressed in a letter by Nicholas of Cusa setting forth the latter's theory of ''explicatio Petri'', the unfolding of the Church from Peter.

In 1450 Arévalo gave the annual encomium in honor of St. Thomas Aquinas at the Church of Santa Maria sopra Minerva to the academic community of the College of St. Thomas, the forerunner of the Pontifical University of St. Thomas Aquinas, ''Angelicum''.

After the elevation of Calixtus III, he remained at Rome, became Bishop of Oviedo in Spain, and later commander of the papal fortress, the Castel Sant'Angelo, under Paul II, who transferred him successively to the Spanish sees of Zamora, Calahorra, and Palencia. Rodrigo was the jailer of Julius Pomponius Laetus (Giulio Pomponio Leto), Bartolomeo Platina and other members of the Academia Romana (Roman Academy) suspected of conspiracy by Pope Paul. Provided by Wikipedia