The Visionary of Form and Ornament: The Life of Heinrich Keller In the grand tapestry of European art history, few figures bridge the gap between sculptural solidity and painterly illusion as masterfully as Heinrich Keller. Born in 1906 in Zurich, Keller’s early life was steeped in the tactile language of form. As the son of the sculptor Johann Keller, his very first lessons in aesthetics were not merely about color or light, but abou…