Rudolf Sellner
... that Rudolf Sellner engaged Richard Wagner's grandson to stage a Verdi opera as part of the opening of the Deutsche Oper Berlin?
... that <b id="mwiw"><a href="./Rudolf_Sellner" id="mwjA" rel="mw:WikiLink" title="Rudolf Sellner">Rudolf Sellner</a></b> engaged <a href="./Wieland_Wagner" id="mwjQ" rel="mw:WikiLink" title="Wieland Wagner">Richard Wagner's grandson</a> to stage a <a href="./Aida" id="mwjg" rel="mw:WikiLink" title="Aida">Verdi opera</a> as part of the opening of the <a href="./Deutsche_Oper_Berlin" id="mwjw" rel="mw:WikiLink" title="Deutsche Oper Berlin">Deutsche Oper Berlin</a>?