B. K. S. Iyengar, or Bellur Krishnamachar Sundararaja Iyengar (December 14, 1918 - August 20, 2014) was an Indian yoga teacher and writer. He founded the style of yoga known as "Iyengar Yoga". And It Was An Honour By Him To Invent A New Yoga Style After Ages. He was thought to be one of the foremost yoga teachers in the world.