Gustave Castan: A Master of Alpine Light and the Soul of Switzerland Born in Geneva in 1823, Gustave Eugène Castan’s life was inextricably linked to the dramatic landscapes of his native Switzerland. More than simply a painter of mountains and valleys, Castan sought to capture the very essence of the Swiss spirit – its rugged beauty, its quiet solitude, and its profound connection to nature. His work, largely focused on the Alps and surrounding regions, reveals a deep understanding of light, color, and composition, establishing him as a significant figure in late 19th-century French Impressi…