"Mr Iyengar was credited with his own brand of yoga, and taught author Aldous Huxley and violinist Yehudi Menuhin, among other celebrities. … One of yoga's finest teachers, he practised what he called an "art and science" for more than eight decades and ran one of India's top yoga schools in Pune. He continued to practise — "practice is my feast", he once told a correspondent — in his old age and could still do the sirsasana — or the headstand — for half an hour until last year."
January 1, 1970
https://en.wikiquote.org/wiki/B._K._S._Iyengar