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| was | Geographer Educator Teacher | |
| Work field | Academia Science | |
| Gender |
| |
| Birth | 18 October 1858 | |
| Death | 22 December 1935Kaliningrad, Kaliningrad Urban Okrug, Kaliningrad Oblast, State of the Teutonic Order (aged 77 years) | |
| Star sign | Libra |