Book of Numbers twelve princes, one of each tribe. The majority of modern biblical scholars believe that the Torah (the books of Genesis, Exodus, Leviticus, Numbers, and Deuteronomy) reached its present form in the post-Exilic period (i.e., after c.520 BCE), based on pre-existing written and oral traditions and "contemporary geographical and demographic details but even more importantly from contemporary political realities". The five books are often described as being drawn from four "sources" - schools of writers rather than individuals - the Yahwist and the Elohist (frequently treated as a single source), the Priestly source and the Deuteronomist. There is ongoing dispute over
Hans Heinrich Schmid Hochschule Bethel). In the summer semester 1976 he was Professor of Old Testament scholarship and general history of religion at the University of Zurich. From 1988 to 2000 he served as rector of the University of Zurich. During his tenure, in 1998, the University of Zurich became an independent legal entity of the Canton of Zurich. Hans Heinrich Schmid was married in 1962 and had two sons and two daughters. Schmid was a respected authority on the question of Pentateuchal origins (the question of how the first five books of the bible – Genesis, Exodus, Leviticus, Book of Numbers and