What civilization's writing system did Ernst Wilhelm Förstemann contribute to the decipherment and understanding?
Ernst Förstemann: Ernst Wilhelm Förstemann (Danzig, September 18, 1822 – Charlottenburg, November 4, 1906) was a German historian, mathematician, doctor of linguistics and librarian, director of the Saxon State Library (German: "Sächsische Landesbibliothek" ) in Dresden. Ernst Förstemann:  He is known as a founder of onomastics and folk etymology studies in Germany, and also for his seminal contributions made in the early years of Mayanist research, towards the decipherment and understanding of calendrical elements in the pre-Columbian Maya script. Maya script: Mayan script, also known as Mayan glyphs or Mayan hieroglyphs, was the writing system of the Maya civilization of Mesoamerica and is the only Mesoamerican writing system that has been substantially deciphered.
Maya civilization