Vedanta Desikan (1268–1369), also rendered Vedanta Desikar, Swami Vedanta Desikan, and Thoopul Nigamaantha Desikan, was an Indian polymath who wrote philosophical as well as religious and poetical works in several languages, including Sanskrit, Manipravaḷam (a Sanskritised form of literary Tamil), Tamil and Prakrit. He was an Indian philosopher, Sri Vaishnava guru, and one of the most brilliant stalwarts of Sri Vaishnavism in the post-Ramanuja period. He was a Hindu devotee, poet, Master of Acharyas (desikan) and a logician and mathematician. He was the disciple of Kidambi Appullar, also known as Athreya Ramanujachariar, who himself was of a master-disciple lineage that began with Ramanuja. Vedanta Desikan is considered to be avatar (incarnation) of the divine bell of Venkateshvara of Tiru