Paulo Reglus Neves Freire (19 September 1921 – 2 May 1997) was a Brazilian educator and philosopher who was a leading advocate of critical pedagogy. His influential work Pedagogy of the Oppressed is generally considered one of the foundational texts of the critical pedagogy movement, and was the third most cited book in the social sciences as of 2016 according to Google Scholar. Source: Wikipedia (en)