The correct answer to the question is option 1, Vivekananda. The Rama Krishna Mission was indeed established by Swami Vivekananda. Swami Vivekananda was a disciple of Sri Ramakrishna Paramahamsa, a spiritual leader and mystic from Bengal, India. After the passing of Sri Ramakrishna, Vivekananda played a crucial role in spreading his teachings and establishing the Rama Krishna Mission in 1897. The mission`s main objective is to impart spiritual and moral education, promote charitable activities, and work towards the upliftment of society. Vivekananda`s commitment to social service and his influential ideas regarding spirituality attracted many followers, and the Rama Krishna Mission continues its work to this day, both in India and internationally.