Mahendranath Gupta, a householder disciple of Sri Ramakrishna, is familiarly known by his pen name ‘M’ and popularly as ‘Master Mahashay’. He was the recorder of the great teachings and revelations that came to humanity through Sri Ramakrishna, which he eventually published in Bengali as Sri Sri Ramakrishna Kathamrita, a unique classic in the religious literature of the world. This Bengali work was translated into English by Swami Nikhilananda as The Gospel of Sri Ramakrishna.