Mahavatar Babaji who reinvented the kriya yoga.who taught this to lahiri mahashay,then yukteshwar,Yogananda.
Mahavatar Babaji (born 30 November 203 CE) is the name given to an Indian saint and yogi by Lahiri Mahasaya and several of his disciples who met Mahavatar Babaji between 1861 and 1935. Some of these meetings were described by Paramahansa Yogananda in his book Autobiography of a Yogi, including a first hand telling of Yogananda's own meeting with Mahavatar Babaji.