Lahiri was the family name of Shyama Charan Lahiri (1828-1895). Mahasaya, a Sanskrit religious title, means "large-minded." Lahiri Mahasaya was a disciple of Mahavatar Babaji, and the guru of Swami Sri Yukteswar (Paramahansa Yogananda's guru). Lahiri Mahasaya was the one to whom Babaji revealed the ancient, almost-lost science of Kriya Yoga (q.v.). A Yogavatar ("Incarnation of Yoga"), he was a seminal figure in the renaissance of yoga in modern India who gave instruction and blessing to countless seekers who came to him, without regard to caste or creed. He was a Christlike teacher with miraculous powers; but also a family man with business responsibilities, who demonstrated for the modern world how an ideally balanced life can be achieved by combining meditation with right performance of outer duties. Lahiri Mahasaya's life is described in Autobiography of a Yogi.