Madhvacharya
Madhvacharya (IAST: Madhvācārya; pronounced [mɐdʱʋaːˈtɕaːrjɐ]; 1199–1278 CE or 1238–1317 CE), also known as Purna Prajna (IAST: Pūrṇa-Prajña) and Ānanda Tīrtha, was an Indian philosopher, theologian and the chief proponent of the Dvaita (dualism) school of Vedanta. Madhva called his philosophy Tattvavāda meaning "arguments from a realist viewpoint".