Sri Upanishad Brahmendra Yogin or Upanishad Brahmendra Saraswati or Upanishad Brahmam a scholar of great merit and a sanyasin, renowned for his unprecedented performance of producing commentaries on all the 108 Upanishads listed in the Mukthiko-panishad, was one of the savants of the eighteenth century. The Karnataka Music Trinity: Saint Tyagaraja, Sri Mutthuswamy Dikshitar and Sri Shyama Sastry were contemporaries of Sri Upanishad Brahmendra. What was more remarkable was that all those giants lived, at one time, in and around the Cauvery delta, say within a radius of about a hundred miles.