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  • Engraving by Ambroise Tardieu of Martin Heinrich Klaproth.
    Rights: Public domain Published 25 October 2016 Size: 210 KB Referencing Hub media

    Klaproth (1743–1817) was a German chemist who discovered uranium, zirconium and cerium. Though he did not discover titanium, he did name it after the Titans of Greek mythology. This is an engraving by Ambroise Tardieu after an original portrait by Eberhard-Siegfried Henne.

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