Question: What civilization's writing system did Ernst Wilhelm Förstemann contribute to the decipherment and understanding?
Sentence (from "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.
Relevant evidence: Yes