Paulo Reglus Neves Freire (/ˈfrɛəri/, Portuguese: [ˈpawlu ˈfɾeiɾi]; September 19, 1921 – May 2, 1997) was a Brazilian educator and philosopher who was a leading advocate of critical pedagogy. He is best known for his influential work, Pedagogy of the Oppressed, which is considered one of the foundational texts of the critical pedagogy movement.