Authorship, Composition, and Dating.  
Traditional Mosaic Authorship.  
The traditional attribution of the Torah's authorship to Moses posits that the prophet Moses composed the Pentateuch—Genesis, Exodus, Leviticus, Numbers, and Deuteronomy—circa 1446–1406 BCE, during the Exodus from Egypt and the subsequent wilderness period, under direct divine instruction from God. This view, rooted in ancient Jewish and early Christian exegesis, maintains that Moses recorded the narratives, laws, and covenants as revealed by God, with the text serving as the foundational constitution for Israelite religious and civil life. The composition is seen as a unified work reflecting Moses' firsthand knowledge of events, including the patriarchal histories transmitted orally or via earlier records, the Egyptian sojourn, and the Sinai theophany.  
Internal textual evidence within the Pentateuch supports this attribution through repeated statements of Moses' writing activity. Specific commands and actions include God's directive in Exodus 17:14 for Moses to "write this as a memorial in a book" regarding the Amalekites; Exodus 24:4, where "Moses wrote all the words of the Lord"; Numbers 33:2, stating "Moses wrote their starting places, their stages by the command of the Lord"; and Deuteronomy 31:9 and 31:24, affirming that "Moses wrote this law" and "all the words of this law in a book." Additional references encompass Moses composing songs and blessings, such as the Song of the Sea in Exodus 15 and the prophetic song in Deuteronomy 32–33, reinforcing authorial unity.  Jewish rabbinic tradition, codified in the Talmud (Bava Batra 14b–15a), specifies that Moses authored the entirety except the final eight verses of Deuteronomy 34 detailing his death and burial, which Joshua appended.  
This Mosaic authorship enjoyed near-universal acceptance among Jewish scholars, prophets, and communities, as well as early Christian writers, from antiquity through the medieval period and into the early modern era, with challenges remaining marginal until the mid-17th century. External corroboration appears in subsequent biblical books, such as Joshua 1:7–8 and 8:31–32 referencing "the book of the law of Moses," and in New Testament attestations where Jesus and the apostles cite Moses as the writer (e.g., John 1:45, 5:46–47; Romans 10:5). The Samaritan Pentateuch and Septuagint translation (circa 3rd–2nd century BCE) also presuppose Mosaic origin, aligning with textual variants datable to pre-exilic times. This longstanding consensus underscores the tradition's role in preserving the Torah's authority as eyewitness testimony rather than later fabrication. 


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