Upanishads author(s) works [ note: the principle Upanishads were likely authored much earlier ] title↓ yearauthorsthe_ten_principal_upanishads-3100upanishads_authorthe_upanishads_breath_of_the_eternal-3100upanishads_author, swami_prabhavanandathe_principal_upanishads-3100upanishads_author, sarvepalli_radhakrishnan bio wikipedia Rishi's: “The Vedic texts assert that they were skillfully created by Rishis (sages), after inspired creativity, just as a carpenter builds a chariot.” * ⚲ search title matches the principal upanishads1the ten principal upanishads1the upanishads breath of the eternal1ancient india1human life2