sentences:  His dissertation, titled "Disputationem Moralem De Divortiis Secundum Jus Naturae" ("Moral Disputation on Divorce according to the Law of Nature"), was written under the direction of his father in law and advisor Otto Mencke.He was from 1692 until the time of his death a professor of Near Eastern languages and university librarian at the University of Wittenberg, and gave courses there in Philosophy and Hebrew.Among the books he published are De extinctione ordinis Templariorum (The extinction of the Templars), 1687 and many short works on aspects of the Old Testament.