Patricia Walden, renowned yoga teacher and writer, has been a student of B.K.S. Iyengar since 1976. Yoga Journal named her one of the "25 American Yoga Originals Who Are Shaping Yoga Today." She has led numerous yoga DVDs and has been featured in various magazine articles and books. Patricia read B.K.S. Iyengar's Light on Life for Macmillan Audio.