William Coulson developed, with Carl Rogers, some of the earliest forms of humanistic education in the United States. As he tells BSN readers, it turned out to be a system that makes students unteachable! Intellectual conversions are not a frequent occurrence in the world of academia. And that makes the story of William Coulson all the more intriguing. Coulson was a student and subsequently a colleague of Carl Rogers, the founder of non-directive (later called client-centered) psychotherapy.