Richard Rosen, renowned yoga teacher and author, discusses Yoga by the Numbers: The Sacred and Symbolic in Yoga Philosophy and Practice. Richard Rosen, one of America's most influential authors on yoga practice and philosohy, began his training in yoga in 1980 and graduated from the B.K.S Iyengar Institute in 1983. In 1987, together with Rodney Yee, he opened the Piedmont Yoga Studio in Oakland, CA, which operated until 2012. Richard is a contributing editor at Yoga Journal magazine, to which he has contributed countless articles and columns over the pst quarter century. He serves as the President of the board of directors fo the Yoga Dana Foundation. He is the author of five influential books, four of them published by Shambhala: The Yoga of Breath, Pranayama: Beyond the Fundamentals, Original Yoga, Yoga FAQ, and Yoga by the Numbers