Gottfried Wilhelm Osann


  He was a professor of chemistry at the University of Dorpat, Estonia, who claimed to discover three new metals from platinum: pluranium, ruthenium, and polinium. It soon became clear that all samples were crude mixtures, and that the ruthenium perhaps did contain some new metal. Klaus, who later isolated ruthenium, adopted Osann’s name for the element.

  1. Photographs of Tartu, Estonia

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