Hamburg National Theatre
Its leading actor was Konrad Ekhof and the theatre employed Gotthold Ephraim Lessing as the world's first dramaturg; Lessing's influential "Hamburg Dramaturgy" , based on his work at the Hamburg National Theatre , defined the new field of dramaturgy and also introduced the term . 
<triplet> Gotthold Ephraim Lessing <subj> dramaturg <obj> occupation <triplet> dramaturg <subj> Gotthold Ephraim Lessing <obj> discoverer or inventor