Conversation so far:
what is madhvacharya biography?
The biography of Madhvacharya is unclear.
Many sources date him to 1238-1317 period, but some place him about the 1199-1278 period.
was he married?
became a monk or Sannyasi in his teenage.
what was his greatest accomplishment?
began his own Dvaita movement based on dualism premises of Dvi .

Question: what was the movement?
Self-contained rewrite: what was Dvaita movement?