Karl Karlovich Klaus

1796-1864

 

  He was a professor of chemistry at the Universities of Dorpat, Estonia and Kazan, Russia, who discovered ruthenium. Although previous investigators probably had isolated crude mixtures containing the metal (Sniadecki and Osann), Klaus prepared the first pure sample and is credited with the discovery.

 
 

  1. Photographs of Kazan, Russia
 

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