Prativadi Bhayankaram Annan Swamy : Sanskrit scholar and composer of the Subrapatham is the 1430. One of the prominent disciples of Manavala Mamuni, he belonged to a distinguished line of "Acharya Purushas" and had a large number of followers. Acharya composed many poems, of which the "Suprabhatham" is the most famous, recited daily at Tirumala Venkateswara Temple and is played each day at millions of households in India.
The Lakshmi Narayana Deity, 12 divys salagrama silas and Sri-Bhu Sametha Ranganadha swamy once worshiped by him are now being worshiped by Sri Prativadi Bhayankaram Raghavacharyulu 15th generation in his lineage. You can look for details of the same at Divya Salagrama Kshetram in google maps