1928 | born in Kornwestheim |
| 1950-54 studies at the Academy of Arts in Stuttgart, collaboration with Willi Baumeister |
1956 | London; friendship with the critic Lawrence Alloway; in Stuttgart founds the "gruppe 11" with Georg Karl Pfahler: first informal works |
1957-58 | Exhibitions in Munich, Brussels, Rome and London, there contacts with the English Pop Art scene |
1959 | change of style from Informel to fixed color forms |
from 1962 | experimental text-image integrations with Reinhard Döhl; circle around Max Bense |
1964 | lecturer at the Werkkunstschule Krefeld |
1973 | appointment as professor |
1964 | first Hard Edge works; series of so-called Do-It-Yourself pictures |
2010 | died in Göppingen; his estate is looked after by the Schloss-Filseck-Stiftung in Göppingen |