German economist
| Born | 1873 |
| Died | 1955 |
| May 18, 2017 | Edited by MARC Bot | merge authors |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| October 22, 2008 | Edited by ImportBot | Found a matching Talis record |
| September 9, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |