I am an emeritus Professor of Pediatrics from the University of Pennsylvania and Thomas Jefferson University. Reading philosophical literature in Sanskrit, Tamil and English is a hobby. I started this project more than 30 years back. We were raising our three children in USA in the 1970's and my children were asking many questions about Hinduism. I had to find the answers and share them once a week as part of our prayer time. Pretty soon, three of our friends requested that I include their children in our discussion. That is how this project started. I started reading all the major Upanishads