HomePeople Biography and filmographyGeorg Friedrich Treitschke Biography unavailable on TMDB. Movies (7)TV shows (0) Movies (7) Beethoven: Fidelio2020 · Writer Fidelio - Wiener Staatsoper2019 · Writer Beethoven: Fidelio - Salzburg Festival2015 · Writer Beethoven · Fidelio2014 · Writer Fidelio - Beethoven - Opernhaus Zürich 20082008 · Writer Beethoven's Fidelio1980 · Author Fidelio1980 · Author TV shows (0) No credits available.