Yamunacharya or Alavandar was a vishistadvaita philosopher in Srirangam. Ramanuja, one of the leaders of the srivaishnava school sought to be his disciple. He was born in early 10th century CE and was the grandson of a brahmin, Nathamuni. Nathamuni was a famed yogi who collected to the works of tamil alvars. He grew up learning Vedic texts from Rama Misra also known as Manakkal Nambi and was skilled in mimansa. Sirvaishnavite legend relates this story--As a teenager he challenged the royal pries… (More on Yamunacharya)