Question

who composed the vedic hymns ? How were they passed from generation to generation ?

Answer 1

Answer:

It has ten books or mandalas containing 1028 hymns by the successive generations of Rishis (sages). As the Aryans had no script of their own, the hymns of the Rig Veda were memorized and passed on orally from one generation to the other before being recorded in written form at a much later stage.

Answer 2

According to the puranic tradition ved vyasa compiled all the four vedas

As the Aryans had no scripts of their own the hymns of the rig veda were memorized and passed on orally from one generation to other before being recorded in written form at a much later stage

hope it helps