Sankararaman

 https://www.google.com/search?q=Sankararaman

Stalin

 https://www.google.com/search?q=Periyava+Stalin

Karunanidhi

 https://www.google.com/search?q=Periyava+Karunanidhi

Abhinava

 https://www.google.com/search?q=Abhinava+Shankara

Gopinatha

According to T. A. Gopinatha Rao, copperplate inscriptions show that the matha was located at Kanchipuram until 1686 CE, 

https://www.google.com/search?q=T.+A.+Gopinatha+Rao

Jonathan Bader

 According to Jonathan Bader and other scholars, the monastic tradition gives "fear of Muslim atrocities" from 

1. Nawab of Arcot, 
2. Mysore's Hyder Ali and 
3. Tipu Sultan as the reason for

matha relocating completely to Kumbakonam in mid-18th century to escape wars and persecution

https://www.google.com/search?q=Jonathan+Bader

Kamantaka

 https://www.google.com/search?q=Kamantaka