Here are some great pictures of Mr Iyengar (with accompanying article) taken a month before he died in 2014. It also give you an idea of what the Iyengar Institute in Pune, India is like:
http://www.huffingtonpost.in/2015/06/21/bks-iyengar_n_7540242.html

Copyright: Aditya Kapoor from DK books for the Iyengar Institute