ArchitectAlessandro Galli da BibbienaGerman architect and painter (1686-1748), 1687–1748Photograph of one of their buildings · Quadratestadt Mannheim Bernhard Kunz / Stadtmarketing Mannheim GmbH · CC BY-SA 2.0 · Wikimedia Commons1 buildingsGermanyBuildingsMannheim PalaceMannheim, Germany