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| Field of activity | Hamburg - Natural science Germany - Natural science |
| Country | Estonia |
| Birth | 1864-09-08 |
| Death | 1944-07-25 |
| GND | 118763407 |
| Holdings | Newspaper clippings: 1924- |
| URI | https://pm20.zbw.eu/folder/pe/022529 |
| ID | pe/022529 |