William Henry Clapp: A Pioneer of Impressionistic Landscape Painting William Henry Clapp (1847 – 1930) stands as a significant figure in the burgeoning landscape painting movement of late 19th-century America, particularly within the École Lumière—the French Impressionist influence that reshaped artistic sensibilities across Europe and beyond. Born in Évreux, Normandy, France, Clapp’s formative years instilled in him an appreciation f…