ArchitectPierre LangerockBelgian architect (1859-1923), 1859–1923Photograph of one of their buildings · Sonuwe · CC BY-SA 3.0 · Wikimedia Commons3 buildingsBelgiumBuildingsSint-Carolus BorromeuskerkWesterlo, BelgiumSint-Niklaaskerk (Vorst)Laakdal, BelgiumNational Basilica of the Sacred HeartKoekelberg, Belgium