Biography Nicolas Klotz and Elisabeth Perceval work together to develop a writing and directing style that examines both contemporary upheavals and film form. In 2004, they created their production company, Petits et Grands Oiseaux. In addition to their film work, they have been active in the theater, in particular with the plays of Bernard-Marie Koltès, Didier-Georges Gabily, Heiner Müller, Sarah Kane, et Jean-Luc Nancy.