Wishlisted by Matt Mayer
When Dmitri Mendeleev created the first periodic table in 1869 he left gaps where he predicted new elements should be. More than 50 years later, the Dutch/Hungarian duo of Dirk Coster and Georg von Hevesy proved him right in 1923 as they discovered the element, while based in Copenhagen. The pair named the element after the Latin name for Copenhagen, Hafnia, hence Hafnium. Hevesy later won the Nobel Prize. Today the Faculty of Science of the University of Copenhagen has a hafnium atom in its logo.
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