Rotthaus Wilhelm, MD, is medical director of the Department of Psychiatry and Psychotherapy for Children and Adolescents Clinic Renana Viersen. Studied talk therapy focusing on client-centered play therapy and systemic therapy client. He is the author of several books, among others, Psychotherapie mit Jugendliche, und Therapie in systemischer Erziehung Sicht, Kinder-und systemische Stationäre Jugendpsychiatrie, Kinder-und Systemische Jugendliche-Psychotherapie.