Richard of Mediavilla, or Richard of Middleton, doctor solidus, was a Franciscan philosopher, theologian, and canon lawyer. Although his date of birth and country of origin are unknown, scholars are generally agreed that he was either French or English. We are certain that in 1283 he was appointed as one of the judges of the works of Peter John Olivi, and we possess three of his sermons, preached in Paris in 1281 and 1283. He was a master of theology in Paris during 1284–1285. In 1288, Richard was one of the tutors of the exiled Prince Louis, son of King Charles II of Sicily and later bishop of Toulouse. Richard's last writings seem to date around 1295, when he completed his commentary on the fourth book of the Sentences of Peter Lombard. After 1295 we lose all trace of Richard of Mediavilla.

Richard was a scholar in...