- Search | features encyclopedia | archives | support paulo freire Perhaps the most influential thinker about education in the late twentieth century, Paulo Freire has been particularly popular with informal educators with his emphasis on dialogue and his concern for the oppressed. contents: introduction | contribution | critique | further reading and references | links Paulo Freire (1921 - 1997), ...infed.org/mobi/paulo-freire-dialogue-praxis-and-education