1930
Born on June 13th in Erlbach in Vogtland
1947-1948
Studies at Hochschule für Bildende Künste, Berlin
1948-1952
Studies at Kunstakademie Dresden
1954
After relocating to West Germany, Graubner continues his studies at Kunstakademie Düsseldorf
1964-1965
Art educator at Lessing-Gymnasium in Düsseldorf
1965
Lectureship at Hochschule für Bildende Künste in Hamburg
1968
Participates in Documenta 4 in Kassel
1969
Professorship for painting at Hochschule der Bildenden Künste in Hamburg
1971
Represents the federal republic of Germany at the Biennale of Sao Paulo
1973
Graubner becomes a member of the Akademie der Bildenden Künste, Berlin
1976
Professorship for free painting at Kunstakademie Düsseldorf
1980
Solo exhibition at Staatliche Kunsthalle, Baden-Baden
1982
Exhibits a five-part Farbraumkörper-ensemble in the German Pavilion at Venice Biennale
1987
Graubner receives the August-Macke-Preis of the city Meschede
1988
Receives Norddeutscher Kunstpreis creates two large paintings for the office of the Bundespräsident in Berlin, Schloss Bellevue
2013
Graubner dies in Neuss on May 24th