Johannes Krahn
... that the German architect Johannes Krahn designed the Bienenkorbhaus (Beehive House) in Frankfurt and St. Martin in Idstein?
... that the German architect <b id="mwCb4"><a href="./Johannes_Krahn" id="mwCb8" rel="mw:WikiLink" title="Johannes Krahn">Johannes Krahn</a></b> designed the <i id="mwCcA">Bienenkorbhaus</i> <i id="mwCcE">(Beehive House)</i> in Frankfurt and <a href="./St._Martin,_Idstein" id="mwCcI" rel="mw:WikiLink" title="St. Martin, Idstein">St. Martin</a> in <a href="./Idstein" id="mwCcM" rel="mw:WikiLink" title="Idstein">Idstein</a>?