Madhvacharya (1238 AD - 1317 AD)

The most well known guru in the Dvaita tradition.  The main icon (vigraha) in Udupi of Lord Krishna was established by Madhvacharya. The 8 monasteries (ashta mathas) of Udupi have been following his philosophy since then.He propounded the theory of Panchabheda or five differences which states that there is an absolute distinction between God and the soul, God and matter, souls and matter, each individual soul and another, and each material thing and another. 

Some interesting links...

- The Wonder of the World by Roy Abraham Varghese 

- Madhva's Biography written by Swami Sivananda

- Video of Vandevandhyam Song by Madhvacharya 

- Sarva Darshana Sangraha ((Treatise on different philosophies and superiority of the Dvaita Path (English Translation) by Madhvacharya 

---