Gustav Niessl von Mayendorf
Niessl
* January 26, 1839 – September 01, 1919 †
astronomer, university teacher, mycologist, botanist
astronomer (1839-1919)
https://www.wikidata.org/wiki/Q87937
https://en.wikipedia.org/wiki/Gustav_Niessl_von_Mayendorf [View]
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