A celebratory look back at one of Munich's largest and most important private collections of contemporary art, Happy Birthday complements copious illustrations with an interview with the Goetz's founder Ingvild Goetz, an illustrated history of all of the collection's exhibitions, and essays by leading art critics and artists, including Katharina Bitz, Cornelia Gockel, Jerry Gorovoy, Leo Lencsés, Larissa Michelberger, Birgit Sonna, and Katharine Vossenkuh. Among the artists whose work is included are Shusaka Arakawa, Mária Bartuszová, Louise Bourgeois, Geta Bratescu, William Copley, Hans-Peter Feldmann, Neil Jenney, Anselm Kiefer, Yayoi Kusama, and George Segal.