The author of  "Religion and Dharma" was a disciple of who?
Sister Nivedita Bhagini "(Sister)" Nivedita (]    ; born Margaret Elizabeth Noble; 28 October 1867 – 13 October 1911) was a Scots-Irish social worker, author, teacher and a disciple of Swami Vivekananda. She spent her childhood and early days of her youth in Ireland. From her father, and her college professor, she learned many valuable lessons like – service to mankind is the true service to God. She worked as school teacher and later also opened a school. She was committed to marry a Welsh youth who died soon after their engagement. She carried on her life.
Jagannatha Dasa Babaji Jagannātha Dāsa Bābājī (1776–1894) was an influential leader (guru) in the Gaudiya Vaishnava tradition of Hinduism, and is respected as a "Mahatma" or saint by followers of his lineage. He accepted initiation (diksha) from Jagadananda Goswami of Vrindavan, and later accepted Babaji initiation from Madhusudana dasa Babaji. For the rest of his life, his example as a Gaudiya Vaishnava devotee was an inspiration to many in the community. Bhaktivinoda Thakur is quoted calling him "the commanding chief of the devotees".