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"Welsbach, Baron Carl Auer von (1858-1929), an Austrian chemist. During the 1880's in the laboratory of Robert Wilhelm Bunsen, inventor of the Bunsen burner, he did research on rare-earth elements and their compounds."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/dictionary/famous-scientists/chemists/baron-carl-auer-von-welsbach-info.htm>