last updated 19 Feb 2009

The first written accounts of religion founders wre written decades or centuries after their lives. How much is true and how much is myth has been a debate for a hundred or more years.

The Historical Jesus | YouTube at Ancient Hostory Lectures
Talks about Historical Jesus and Moses.

Muhammad wikipedia c. 570 – 632 CE
Muhammad was an Arab religious, social, and political leader and the founder of Islam.[c] According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm the monotheistic teachings of Adam, Abraham, Moses, Jesus, and other prophets. See Historical reliability of the Quran | Wikipedia
Quran | Wikipedia
Muhammad did not write it as he did not know how to write. According to tradition, several of Muhammad's companions served as scribes, recording the revelations. Shortly after the prophet's death, the Quran was compiled by the companions, who had written down or memorized parts of it. Links:
Quest for the Historical Jesus