Carl Rogers is known for developing client-centered therapy, the essence of which can be summed up in the idea that it is the client and not the therapist who knows best and what directions to go in. But the idea that the client can be trusted to find their own direction is at odds with most psychology and psychiatry interventions, and is what made Rogers' approach to therapy so radical, not only at the time of his writing in the 1950s, but even today.