This document discusses five philosophical traditions in adult education: liberal, behaviorist, progressive, humanist, and radical. Each tradition is based on assumptions about human nature, the purpose of education, and the roles of the teacher and learner. The liberal tradition views the teacher as an expert who transmits knowledge and the learner seeks intellectual development. The behaviorist tradition sees the teacher as a manager who controls learning and the learner practices behaviors. The progressive tradition considers the teacher a guide of experiential learning and the learner solves problems. The humanist tradition views the teacher as a facilitator of self-directed learning and the learner pursues growth. Finally, the radical tradition promotes equality between the teacher and learner to enact social change through critical