Karl Stirner: A Pioneer of Color and Imagination Karl Stirner (November 14, 1923 – February 18, 2016) was a German-born American sculptor whose distinctive style—characterized by bold color palettes and evocative depictions of landscapes—established him as one of the most important figures in contemporary German art. Born in Bad Wildbad, Germany, Stirner’s artistic journey spanned decades, marked by prolific output and collaborations…