Narendranath Dutta was the birth name of Swami Vivekananda, who founded the Ramakrishna Mission in 1897 to continue the spiritual and social work of his guru Ramakrishna Paramahamsa. Brahmo Samaj was founded by Raja Ram Mohan Roy, Arya Samaj by Swami Dayananda Saraswati, and Bhoodan Yagya was initiated by Vinoba Bhave much later.