T.K.V. Desikachar, the son and student of the legendary yoga teacher Krishnamacharya, is a world-renowned authority on the therapeutic uses of yoga. He has been teaching internationally since 1962, and in 1976 he founded the Krishnamacharya Yoga Mandiram in Chennai, India, which functions as a training ground for teachers as well as a clinic for treatment. He is the author of several influential books, including, with R. H. Cravens, Health, Healing, and Beyond (NPP, 2011). Hellfried Krusche is a doctor of psychology, an analyst, and a member of the German Psychoanalytical Association. He has trained as a yoga instructor in Belgium and France and has sojourned on numerous occasions with Desikachar at the Krishnamacharya Yoga Mandiram.