*Walter Benjamin<ref>{{cite web |title=The New Dark Age: The Frankfurt School and 'Political Corectness' |author=Michael Minnicino |publisher=FIDELIO Magazine |date=1992 |url=http://www.schillerinstitute.org/fid_91-96/921_frankfurt.html |quote=Benjamin has actually been called the heir of Leibniz and of Wilhelm von Humboldt, the philologist collaborator of Schiller whose educational reforms engendered the tremendous development of Germany in the nineteenth century. |accessdate= 31 Jan 2016}}</ref> | *Walter Benjamin<ref>{{cite web |title=The New Dark Age: The Frankfurt School and 'Political Corectness' |author=Michael Minnicino |publisher=FIDELIO Magazine |date=1992 |url=http://www.schillerinstitute.org/fid_91-96/921_frankfurt.html |quote=Benjamin has actually been called the heir of Leibniz and of Wilhelm von Humboldt, the philologist collaborator of Schiller whose educational reforms engendered the tremendous development of Germany in the nineteenth century. |accessdate= 31 Jan 2016}}</ref> |