Swami Vivekananda was born on 12th January 1863 and died on 4th July 1902. He was also known as Narendra Nath Datta. He was a firm advocate of Vendatta Philosophies and Yoga. He was a disciple of Guru Ramakrishna and founded Ramakrishna Math and the Ramakrishna Mission. Bhakti-Yoga Definition of Bhakti The Philosophy of Ishvara Spiritual Realisation, the aim of Bhakti-Yoga The Need of Guru Qualifications of the Aspirant and the Teacher Incarnate Teachers and Incarnation The Mantra: Om: Word and Wisdom Worship of Substitutes and Images The Chosen Ideal The Method and the Means