Born 1950 in Vienna, Horowitz is a photographer, journalist, writer and publisher. He has authored biographies on Heimito von Doderer, Egon Erwin Kisch and Karl Kraus, as well as H. C. Artmann, Otto Schenk and Helmut Qualtinger. He is founder of the courier magazine 'freizeit' and has received several awards, including the Austrian Cross of Honour for Science and Art. Most recently published: 'Das weite Land der Seele' (2016), 'Angst' (2018), 'Sucht' (2022).