Aaron (flourished 14th century bce) was the standard founder and head on the Israelite priesthood, who, with his brother Moses, led the Israelites outside of Egypt. The figure of Aaron as it's now located in the Pentateuch, the 1st 5 books with the Bible, is created up from various sources https://claytonvhjmq.uzblog.net/aaron-viral-mailer-tutorial-for-dummies-49775143