ArchitectCarl LesszigFinnish architect, 1807–1852Photograph of one of their buildings · Reda Kerbouche · CC BY-SA 4.0 · Wikimedia Commons2 buildingsGrand Duchy of FinlandBuildingsWeckrooth House on Severny Val Street, 3 in VyborgVyborg, RussiaÖrnen House on Krepostnaya Street, 6 in VyborgVyborg, Russia