Abstract

Since its inception, existential psychotherapy has been the principal ‘site,’ whereat philosophy, psychiatry, and psychology join hands. The Swiss psychiatrist, Ludwig Binswanger, is among the first psychiatrists to develop a philosophically grounded vision of psychiatry and psychology. Binswanger is indebted to Heidegger, Husserl, and Buber and becomes the pioneer and founding father of Daseinsanalysis, an existential–phenomenological anthropology for the study of psychoses. Later, in the hands of Medard Boss and under the guidance of Martin Heidegger, Daseinsanalysis evolves as the first and, so far, only psychotherapeutic approach crafted in direct collaboration between a philosopher and a mental health..