Periyava Quiz-Who was Kanchi Sri Matam Matathipadhi in 1961, 1971, 1981, and 1991?

Jaya Jaya Sankara Hara Hara Sankara – Who was Kanchi Sri Matam Matathipadhi (official head of Sri Matam) in the years 1961, 1971, 1981, and 1991? Below are the choices. Only one answer is correct. Please post your answers in the comments section. Rama Rama

1. Sri Maha Periyava
2. Sri Pudhu Periyava
3. Sri Bala Periyava
4. Sri Maha Devendra Saraswathi Swamigal
5. Sri Adhyathma Prakasa Swamigal
6. None of the above