Karl Hugo Strunz
... that Karl Hugo Strunz was the creator of the Nickel-Strunz classification?
... that <b id="mwAfI"><a href="./Karl_Hugo_Strunz" id="mwAfM" rel="mw:WikiLink" title="Karl Hugo Strunz">Karl Hugo Strunz</a></b> was the creator of the <a class="mw-redirect" href="./Nickel-Strunz_classification" id="mwAfQ" rel="mw:WikiLink" title="Nickel-Strunz classification">Nickel-Strunz classification</a>?