Carl Claus
... that in 1844, Carl Claus discovered ruthenium and named it after the olden Russia?
... that in 1844, <b id="mwAb4"><a href="./Karl_Ernst_Claus" id="mwAb8" rel="mw:WikiLink" title="Karl Ernst Claus">Carl Claus</a></b> discovered <a href="./Ruthenium" id="mwAcA" rel="mw:WikiLink" title="Ruthenium">ruthenium</a> and named it after the <a href="./Ruthenia" id="mwAcE" rel="mw:WikiLink" title="Ruthenia">olden Russia</a>?