ArchitectJohannes KrahnGerman architect (1908-1974), 1908–1974Photograph of one of their buildings · Thomas Wolf, www.foto-tw.de · CC BY-SA 3.0 de · Wikimedia Commons3 buildingsGermanyFurther readingWikipedia article↗BuildingsCity-HausFrankfurt, GermanyEurotowerFrankfurt, GermanySt. SebastiankircheFrankfurt, Germany