Sri Srinivasa Brahmatantra Swatantra Parakala Maha Desikan succeeded Sri Vedanta Ramanuja Parakala Swamy and was the Mathaadhipati from 1440 ACE through 1460 ACE. His mastery over Grantha ChatushTayam was known to people far and near.
His taniyan runs as follows:
" vedaanta laxmana muniishvara paada padma yugmaashrayam sakala sadguna vaariraashim |
tatpraaptaturyamanadyam kamalaanivaasa sri brahmatantra guruvaryamaham prapadye || "