Author: Ved Vyas
About the author: Veda Vyasa is traditionally known as the chronicler of this epic and also features as an important character in Mahabharata.
He is also regarded by tradition as the arranger of the mantras of the Vedas, as well as the author of the eighteen Puranas and the Brahma Sutras.
One of the Gita is Ashtavakra Gita and its author is unknown.