Swami Vivekananda (1863–1902) was a Hindu monk and philosopher who emerged as a central figure in the modern revival of Vedanta and Yoga. Born Narendranath Datta in Calcutta (Kolkata), he received a Western-style education in philosophy and related disciplines, yet was inwardly drawn to the spiritual quest. This search led him to the mystic Ramakrishna Paramahamsa, under whose guidance he deepened his understanding of Advaita Vedanta, the non-dual vision of reality. After Ramakrishna’s passing, he embraced monastic life and took the name “Vivekananda,” becoming the chief disciple and primary interpreter of his teacher’s message.

Vivekananda’s international prominence began with his appearance at the World’s Parliament of Religions in Chicago in 1893, where his eloquent presentations of Hinduism and Vedanta received wide acclaim. There he articulated a vision of religious tolerance and the universality of spiritual truth, emphasizing the unity of all religions and the divinity inherent in every soul. In this way, he played a decisive role in introducing Vedanta and Yoga to the Western world and in raising interfaith awareness, helping to establish Hinduism as a major world religion in modern global discourse.

As a Vedanta revivalist, Vivekananda sought to reinterpret ancient Hindu scriptures for a changing world, insisting that genuine spirituality must be both contemplative and practical. He founded the Ramakrishna Math and the Ramakrishna Mission, institutions that joined traditional spiritual practice with organized social service, including charitable and educational work. His teachings stressed the potential divinity within all beings and urged service to humanity as a form of worship, often summarized in the ideal of seeing service to living beings as service to God. Through this “practical Vedanta,” he encouraged the upliftment of the masses and the application of spiritual principles to improve social conditions.

Vivekananda also established Vedanta centers abroad and delivered numerous lectures across America and Europe, later collected in influential works such as “Raja Yoga” and “Karma Yoga.” His thought inspired confidence in Hindu philosophy while encouraging rational inquiry and a scientific temper, thus bridging traditional spirituality and modern intellectual life. He became a key figure in what has been called a Hindu renaissance, nurturing both spiritual aspiration and a sense of cultural self-respect. His famous exhortation, “Arise, awake, and stop not until the goal is reached,” continues to serve as a rallying call for spiritual striving and dedicated service.