The Shadowed Visionary of Antwerp Baroque In the heart of the seventeenth-century Flemish art scene, amidst the grand, sweeping spectacles of Peter Paul Rubens and the elegant portraiture of Anthony van Dyck, there existed a much more intimate and enigmatic voice. Adam de Coster, often whispered about in the corridors of art history as the Pictor Noctium—the Painter of Nights—carved out a legacy defined not by sunlight and opulence, b…