Johann Loetz Witwe: Bohemian Brilliance and the Art Nouveau Legacy Johann Loetz Witwe (Joh. Loetz Witwe), born Johann Eisner in Kloster Mühle, Croatia (1836) – died 1947 – stands as a monumental figure within the annals of art glassmaking and arguably embodies the very spirit of Art Nouveau. Her workshop, established in Klostermühle (now Rejštejn), Bohemia, quickly ascended to prominence thanks to her astute acquisition of the smelter…