(Burgo de Osma, Soria, España, 1427/1430 - Alba de Tormes, Salamanca, España, 1480)
"Pedro Martínez de Osma o Pedro de Osma(Osma, ¿1427?- Alba de Tormes, 1480) fue un teólogo español."
"Petrus Martinez de Osma (Spanish: Pedro Martínez de Osma) (died 1480) was a Spanish theologian and philosopher, known for his views on indulgences, which he retracted at the end of his life."