Warning: Use of undefined constant stat - assumed 'stat' (this will throw an Error in a future version of PHP) in /homepages/26/d19265326/htdocs/duemling/wp-content/plugins/custom-post-type-archives/post-type-archives.php on line 10 Dr. Albrecht Dümling, Berlin » Meisterwerk aus Theresienstadt. Viktor Ullmanns Kammeroper „Der Kaiser von Atlantis“