Swami Vivekananda was a renowned Indian monk and spiritual leader who played a key role in the introduction of Indian philosophies of Vedanta and Yoga to the Western world. Born in 1863 in Calcutta, he was a disciple of the mystic saint Ramakrishna Paramahamsa. Vivekananda founded the Ramakrishna Math and Mission, aiming to spread the ideals of Vedanta, unity of religions, and selfless service. He delivered a historic speech at the World's Parliament of Religions in Chicago in 1893, where he captivated the audience with his message of universal brotherhood and religious tolerance. Swami Vivekananda's teachings continue to inspire millions worldwide.