ArchitectLars SonckFinnish-Swedish architect (1870–1956), 1870–1956Photograph of one of their buildings · Kiisla Oy (kiisla.fi) · CC BY-SA 4.0 · Wikimedia Commons6 buildingsGrand Duchy of FinlandFurther readingWikipedia article↗BuildingsArchangel Michael's churchTurku, FinlandKallio ChurchHelsinki, FinlandKultarantaNaantali, FinlandSödragatan 31 AMariehamn, FinlandTampere CathedralTampere, FinlandTirkkonen BuildingTampere, Finland