User:Kempf EK
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 | This Wikispecies editor is deceased. His user page is preserved here in his memory. |
Dr. rer. nat. Eugen Karl Kempf, Emeritus Professor, University at Cologne, Faculty of Mathematics and Natural Sciences, Institute of Geology and Mineralogy, Zuelpicher Str. 49a, D-50674 Koeln, GERMANY.