German horticulturist especially known for the collection and classification of cacti.
| Born | 1894 |
| Died | 1966 |
| July 6, 2024 | Edited by Tom Morris | Add birth & death dates & brief bio from Wikidata |
| September 9, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |