The Rig Veda has no single human author it is considered apaurusheya (of non-human origin) in Hindu tradition, revealed to and "heard" (shruti) by ancient sages called Rishis.
Oldest of the four Vedas and one of the oldest religious texts in the world
Composed approximately 1500–1200 BCE (some scholars extend to 1700–1100 BCE)
Compiled and organized by Veda Vyasa (Krishna Dvaipayana)