A brief biography of Pedro Hispano: a philosopher and physician of the Christian world

Abstract

Pedro Hispano (Petrus Hispanus) was a Portuguese philosopher and physician who would become Pope, in the 13th century, under the name John XXI. In this brief essay, we will describe the most important milestones of his life, namely the main works written by him in the areas of philosophy and medicine. We will also describe his most important work in the area of theology.