A gallery owner and a philanthropist mediator, Hilger travels the world in search of new art while also providing a platform for established artists.
Next, H. C. Artmann and Uwe Bremer: "die Heimholung des Hammers" (Bringing the hammer back home) Alfred Hrdlicka – Register of art works from prints and graphics to sculpture and writings, more exhibition catalogues and catalogues on various topics: Museum Moderner Kunst Passau, Frankfurter Kunstverein, Vienna Künstlerhaus.
Christian Ludwig Attersee, Oscar Bottolo (register of works) The Art of Bronze Casting – The Zöttl Studio.
Surface Radical – Young Artists from Austria at Grand Palais, Paris, with Lorand Hegyi as curator, 1990.
7 exhibitions in the course of the Bank Austria/trend-profil series of exhibitions at the Museum of Art History/Palais Harrach, Österreichische Galerie Oberes Belvedere and Albertina at the Austrian National Library, 1997 to 2002 (Georg Eisler, Karl Korab, Franz Ringel, Christian Ludwig Attersee, Alfred Hrdlicka, Hans Staudacher).