Who Wrote Yoga Vasistha?

Who Wrote Yoga Vasistha? Vashista Yoga Samhita (Yog Vashista) (Sanskrit: योग-वासिष्ठ, IAST: Yoga-Vāsiṣṭha) is a philosophical text attributed to Maharishi Valmiki, although the real author is Vasistha. The complete text contains over 29,000 verses. The short version of the text is called Laghu Yogavasistha and contains 6,000 verses. Who is the writer of Yoga Vasistha?