A Vision of the Horizon Pierre Prévost entered the world in Montigny-le-Gannelon on 7 December 1764, arriving at a moment when the boundaries of landscape painting were about to expand into new dimensions. As a student of Pierre-Henri de Valenciennes, he learned the rigors of classical training, yet his true contribution lay in a specialized form of immersive observation. He became the first French panorama painter, an artist capable…