Sri Ramakrishna Paramahamsa (February 18, 1836 - August 16, 1886), born Gadadhar Chattopadhyay is a famous mystic of nineteenth century India. His religious school of thought led to the formation of the Ramakrishna Mission by his chief disciple Swami Vivekananda—both were influential figures in the Bengali Renaissance and the Hindu renaissance during 19th and 20th century.