Swami Vivekananda (12 January 1863 -- 4 July 1902), born Narendranath Dutta was the chief disciple of the 19th century mystic Ramakrishna Paramahansa and the founder of the Ramakrishna Math and the Ramakrishna Mission. He is considered a key figure in the introduction of Hindu philosophies of Vedanta and Yoga to the "Western" World, mainly in America and Europe and is also credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion during the end of the 19th century Vivekananda is considered to be a major force in the revival of Hinduism in modern India. He is perhaps best known for his inspiring speech beginning with "Sisters and Brothers of America", through which he introduced Hinduism at the Parliament of the World's Religions at Chicago in 1893.Swami Vivekananda (12 January 1863 -- 4 July 1902), born Narendranath Dutta was the chief disciple of the 19th century mystic Ramakrishna Paramahansa and the founder of the Ramakrishna Math and the Ramakrishna Mission. He is considered a key figure in the introduction of Hindu philosophies of Vedanta and Yoga to the "Western" World, mainly in America and Europe and is also credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion during the end of the 19th century Vivekananda is considered to be a major force in the revival of Hinduism in modern India. He is perhaps best known for his inspiring speech beginning with "Sisters and Brothers of America", through which he introduced Hinduism at the Parliament of the World's Religions at Chicago in 1893.