Leon Schiller or Leon Schiller de Schildenfeld was a Polish theatre and film director, as well as critic and theatre theoretician. He also wrote theatre and radio screenplays and composed music. He was born in Kraków under the Austrian rule during the foreign Partitions of Poland, to a family of Austrian origin that had been ennobled by Empress Maria Theresa.

Dziady is a poetic drama by the Polish poet Adam Mickiewicz. It is considered one of the greatest works of both Polish and European Romanticism. To George Sand and Georg Brandes, Dziady was a supreme realization of Romantic drama theory, to be ranked with such works as Goethe's Faust and Byron's Manfred.