Ramakrishna's foremost disciple, who carried Vedanta to the West at Chicago in 1893, founded the Ramakrishna Mission, and made service to man worship of God.
Period: 1863–1902 CE — thirty-nine years
Birth: Narendranath Datta, Kolkata, 12 January 1863 (kept in India as National Youth Day)
Guru: Sri Ramakrishna Paramahamsa of Dakshineswar
Defining moment: Address to the World's Parliament of Religions, Chicago, 11 September 1893
Founded: Ramakrishna Mission (1897) and Belur Math; Vedanta Societies in the West
Major works: Karma Yoga, Bhakti Yoga, Raja Yoga, Jnana Yoga — lectures on the four paths
The Sceptic and the Saint
Narendranath Datta was born in Kolkata in 1863 to a lawyer's family — an athlete, singer and razor-sharp student steeped in Western philosophy, who joined the reformist Brahmo Samaj and made a habit of asking every religious figure he met one impolite question: "Have you seen God?" The answers embarrassed everyone until 1881, when a professor's remark sent him to a temple priest at Dakshineswar. Ramakrishna's reply — yes, as clearly as I see you — began a five-year apprenticeship in which the young rationalist tested the saint relentlessly (once hiding a coin under his mattress to see if the renunciate's body would really recoil — it did) and was tested in return. His scepticism was not defeated; it was satisfied — by direct experience the master progressively opened to him. When Ramakrishna died in 1886, Narendra gathered the young disciples into a makeshift monastery at Baranagar, took final vows, and then vanished into India: five years as an unknown wandering monk, sleeping in palaces and gutters, until at the subcontinent's last rock at Kanyakumari he swam out, sat the night, and resolved that his sannyasa would be spent not on his own liberation but on the raising of the people.
Chicago, 1893: "Sisters and Brothers of America"
Funded partly by the Raja of Khetri and the pooled paise of Madras students, the monk — now Vivekananda, "the bliss of discernment" — reached Chicago for the World's Parliament of Religions, nearly destitute and, days before, without credentials until Harvard's Professor J. H. Wright vouched for him ("to ask you for credentials is like asking the sun its right to shine"). On 11 September 1893 he rose and began: "Sisters and brothers of America" — and the hall of thousands stood and applauded the salutation itself. The short speech that followed introduced the West to Vedanta's boldest claims: that all religions are true paths to one Godhead, that the Vedas teach the divinity of every soul, and — quoting the Gita — that all paths, in the end, lead to Him. Overnight he became the Parliament's sensation. Four years of Western work followed — lectures gathered into Karma Yoga, Raja Yoga, Bhakti Yoga and Jnana Yoga, and Vedanta Societies planted in New York and London — the first time in centuries India had exported her philosophy in person, standing up, in English, unapologetic.
Service as Worship
Vivekananda returned to India in 1897 to a hero's welcome and immediately spent it: founding the Ramakrishna Mission with a monastic rule that scandalised orthodoxy — monks would run hospitals, schools, famine relief. His warrant was his master's phrase, shiva jnane jiva seva: to serve man knowing him to be God. "Where should you go to seek God," he demanded, "— are not all the poor, the miserable, the weak, gods?" — and he coined the word for the God he taught his nation to worship first: daridra-narayana, the Lord in the poor. To the young he preached strength as a spiritual category — "strength is life, weakness is death"; each nation, he said, has a message, and India's is spirituality, but it would be delivered by men and women with iron muscles and nerves of steel. He built Belur Math on the Ganga as the Mission's heart, seeded centres across two continents, and burned out on schedule: he had predicted he would not see forty, and died in meditation at Belur on 4 July 1902, aged thirty-nine. His birthday is India's National Youth Day; his Mission's hospitals and schools still treat the patient as the deity; and his Chicago opening line remains the most famous sentence modern Hinduism has spoken.
Questions
What was new in Vivekananda's "practical Vedanta"?
He took Vedanta's oldest teaching — the divinity of the soul — and drew a social conclusion: if every being is Brahman, then service of beings is worship of Brahman, and no nation rises while its masses starve. Monasticism organised around hospitals and famine relief was the institutional form of that single inference.
Did Vivekananda teach one yoga above the others?
No — he wrote a book on each of the four (karma, bhakti, raja, jnana) and taught that the ideal is a harmony of all four in one life, keyed to temperament. For the India of his day he prescribed karma yoga first: strength, self-reliance and service as the fastest purifier.
Source: Complete Works of Swami Vivekananda and Ramakrishna Mission accounts. Regional versions may vary — this text follows the version most widely used in community worship.