Broncia Koller-Pinell: A Viennese Expressionist Pioneer Broncia Koller-Pinell (1863 – 1934) stands as a significant, yet often overlooked, figure in Austrian Expressionism and the Vienna Secession. Born Bronislawa Pineles to a Jewish family in what is now Poland, her early life was marked by intellectual curiosity fostered by her father, Saul Pineles—a designer of military fortifications—who relocated their family to Vienna shortly af…