About Swami Muktananda
Muktananda, born Krishna Rai, was a yoga guru and the founder of Siddha Yoga. He was a disciple of Bhagavan Nityananda. He wrote books on the subjects of Kundalini Shakti, Vedanta, and Kashmir Shaivism, including a spiritual autobiography entitled The Play of Consciousness. In honorific style, he is often referred to as Swami Muktananda, or Baba Muktananda, or in a familiar way just Baba.
Biography source:
Wikipedia