Yogananda entered mahasamadhi (a Yogi's final conscious exit from the body) in 1952 and was succeeded by Rajarsi Janakananda (James J. Lynn). In 1955 after Rajarsi died, Sri Daya Mata became the third president and spiritual leader of SRF.
(Sri Daya Mata, Paramahansa Yogananda and Rajarsi Janakananda.)