Walter (born 25 March 1944 in Gladenbach-Weidenhausen, Germany) is a German psychologist and psychotherapist known as the main founder of Gestalt Theoretical Psychotherapy.
Walter worked with Wolfgang Metzger, one of the most eminent representatives of second generation Gestalt theory in Germany.
Gestalt Theoretical Psychotherapy found considerable recognition as a scientific psychotherapy method in German-speaking countries.