Hanscarl Leuner

Hanscarl Leuner (born 8 January 1919, Bautzen – 22 June 1996, Göttingen) was a German psychiatrist, psychotherapist and researcher.

He is the founder of "Psycholytic Therapy" also known as Guided Affective Imagery ("Katathym-Imaginativen Psychotherapie" in German) and is recognised in Germany as a pioneer in the scientific, research and psychotherapeutic application of psychoactive substances in therapy, with the intent of analyzing the subconscious mind.