Iyengar yoga is based on the teachings of living yoga master B.K.S. Iyengar, author of the classic yoga treatise "Light on Yoga". His daughter, Geeta, and son, Prashant, are also accomplished authors of yoga texts.
The BKS Iyengar Yoga National Association of the United States is committed to study, teach, disseminate and promote the art, science and philosophy of BKS Iyengar. Its purpose is exclusively educational and charitable