Yukteswar Giri (also written Sriyuktesvara) (Bengali: শ্রী যুক্তেশ্বর গিরী) (10 May 1855 - 9 March 1936) is the monastic name of Priyanath Karar (Bengali: প্রিয়নাথ কাঁড়ার), the guru of Satyananda Giri and Paramahansa Yogananda. Yukteshwar was an educator, astronomer, a Jyotisha (Vedic astrologer), a yogi, and a believer in the Bhagavad Gita and the Bible. He was a disciple of Lahiri Mahasaya of Varanasi and a member of the Giri branch of the swami order. Yogananda considered Yukteswar as Jnanavatar, or "Incarnation of Wisdom".
Read more about Yukteswar Giri: Biography, A Revolutionary Interlude, Spiritual Life, The Holy Science, Noted Disciples, In Popular Culture