Джива Госвами
The prime supporters of the Krishna-centered theology, Gaudiya Vaishnavas and followers of the Vallabha Sampradaya and Nimbarka Sampradaya, use the Gopala Tapani Upanishad, Vedanta Sutras and other Hindu scriptures such as the Bhagavata Purana as in verse 1.3.28 and the Brahma Vaivarta Purana, among others, to support their view that Krishna is indeed the "Svayam Bhagavan". This belief was summarized by the 16th century author Jiva Goswami in some of his works, such as "Krishna-sandarbha".