Deutscher Medienwissenschaftler und Publizist
| September 23, 2018 | Edited by Gustav-Landauer-Bibliothek Witten | merge authors |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| July 13, 2010 | Edited by 91.32.75.113 | Added new photo |
| July 13, 2010 | Edited by 91.32.75.113 | died this year |
| September 9, 2008 | Edited by RenameBot | fix author name |