Claus Leininger
... that general manager Claus Leininger's tenure at the Musiktheater im Revier in Gelsenkirchen was described as the period of the company's highest artistic accomplishment?
... that general manager <b id="mwAmI"><a href="./Claus_Leininger" id="mwAmM" rel="mw:WikiLink" title="Claus Leininger">Claus Leininger</a></b><span about="#mwt41" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwAmQ" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> tenure at the <a href="./Musiktheater_im_Revier" id="mwAmU" rel="mw:WikiLink" title="Musiktheater im Revier">Musiktheater im Revier</a> <i id="mwAmY">(pictured)</i> in <a href="./Gelsenkirchen" id="mwAmc" rel="mw:WikiLink" title="Gelsenkirchen">Gelsenkirchen</a> was described as the period of the company's highest artistic accomplishment?