burning  episode at Opernplatz, Berlin, Germany, on 10 May 1933. However, his  works were so popular that they were still published, but "author  unknown" was the listed writer. In his 1821 play "Almansor," Heine  also prophetically wrote "Dort, wo man Bücher verbrennt, verbrennt  man am Ende auch Menschen." ("Where they burned books, they will in  the end in burn people.")