Swami Vivekananda was a great social reformer and a very inspiring personality of India. Vivekananda was called by the name Narendranath Datta.. He was born in Kolkata on 12 January 1863 to Vishwanath Datta and Bhuvaneshwari Devi. His father was a successful attorney. He used to practice meditation even from his boyhood, and was associated with Brahmo Movement for some time.