Madhvacharya (1238–1317), also known as Purna Prajna and Ananda Tirtha, was a Great Hindu Saint of the Dvaita school of Vedanta.

Life and Teachings
Madhvacharya was born in Pajaka near Udupi, Karnataka in 13th-century in India. He was born to a Tulu speaking Vaishnavite Brahmin family, and he was named as Vasudeva before attaining sainthood. He became a Sanyasi at a younger age, and he was taught under guru Achyutapreksha. Madhva studied the Principal Upanishads, the Bhagavad Gita, and the Brahma Sutras. He is credited with thirty-seven works in Sanskrit. His greatest work is considered to be the Anuvyakhyana. He was known to be an avatar of Vayu Bhagavan.
He traveled all over India, and visited several places like Bengal, Varanasi, Dwarka, Goa, and Kanyakumari, and engaged in debates and visited Hindu centers of learning. Madhva established the Krishna Mutt at Udupi in 1285.
Madhvacharya’s teachings tell us that there is a fundamental difference between human beings and the god, and the relationship between these two are never identical.
Madhvacharya established a matha and dedicated it to Dvaita philosophy, and this was occupied by his successors such as Jayatirtha, Vyasatirtha, Vadiraja Tirtha and Raghavendra Tirtha, who are the followers of Madhva.
Madhvavijaya was written by Narayana Panditacharya in honor of Madhva.
Udupi, Sri Krishna Temple was established by Madhvacharya.
Works of Madhvacharya
1.A Madhva-bhasya on the foundational text of Vedanta school of Hinduism – Brahma Sutras.
2.Another Gita-bhasya on Bhagavad Gita.
3.A commentary on forty hymns of the Rigveda.
4.A review of the Mahabharata in a poetic style.
5. A commentary called Bhagavata-tatparya-nirnaya on Bhagavata Purana.
6.Stotras, poems, and texts on bhakti of Vishnu and his avatars.
7. The Anu-Vyakhyana, a supplement to Madhvacharya’s commentary on Brahma Sutras, is his masterpiece.

Madhvacharya, who is an avatar of Vayu Bhagavan, and who is a great scholar and the founder of Dvaita philosophy, is still living in Bhadrikashrama in the celestial body and serving Sri Veda Vyasa. He is a Universal saint. He gives us good health, sound mind, and blessed life. We have to pray him, and to Lord Vishnu for our well being. Let us worship this eminent guru and be blessed. Let us chant his name along with Lord Hari.