Today (December 14, 2015) the Search Engine Google is showing an animated Doodle for the 97th Birthday of BKS Iyengar. Bellur Krishnamachar Sundararaja Iyengar better known as B.K.S. Iyengar, was the founder of the style of yoga known as "Iyengar Yoga" and was considered one of the foremost yoga teachers in the world. He was the author of many books on yoga practice and philosophy including Light on Yoga, Light on Pranayama, Light on the Yoga Sutras of Patanjali, and Light on Life. https://www.youtube.com/watch?v=ZApv2zr6bH4