ArchitectArnold GüldenpfennigGerman architect (1830–1908), 1830–1908Photograph of one of their buildings · derivative work: Pro2 (talk) St._Joseph_und_Medardus.jpg: User:St-fl · CC BY-SA 3.0 · Wikimedia Commons1 buildingsGerman EmpireBuildingsSt. Joseph und MedardusLüdenscheid, Germany