Perhaps the darkest shadow cast over Zeig Mal! comes not from the photos themselves, but from the foreword written by the German psychologist . Kentler is now infamous for his radical theories promoting "pedagogical eros" and his involvement in the "Kentler Experiment," which placed foster children with pedophiles in Berlin. Critics have called Kentler‘s contribution to Zeig Mal! an unambiguous call for pedophilia.

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and societal standards regarding the depiction of youth and sexuality. of Will McBride or the specific legal cases that defined the book's history? Zeig Mal! by Will McBride | Open Library