A Luminary of Light: The Mosaic Art of Leopold Forstner Leopold Forstner, a name perhaps less immediately recognizable than some of his Viennese Secession contemporaries, nevertheless occupies a pivotal position in the development of early 20th-century decorative arts. Born in Bad Leonfelden, Austria, in 1878, Forstner’s artistic journey was deeply intertwined with the burgeoning spirit of innovation that characterized Vienna during i…