Karl D. Geissbuehler has an exhibition of his theater posters for the Opernhaus Zuerich, Switzerland, from February 2 to July 9, 2005 at the Hochschule fuer Musik und Theater, Florhofgasse 6, 8001 Zuerich (CH).
The poster on the cover of the catalogue is for the opera "The silent woman" by Richard Strauss.