Udyanacharya

Udayana (c. 975 – 1050 CE), also known as Udayanacharya, was an Indian philosopher and logician of the Nyaya school. He is renowned for his significant contributions to Indian philosophy, particularly his work in attempting to establish a rational theology to prove the existence of God using logic. Udayana sought to counter arguments against the existence of God presented by Buddhist philosophers like Dharmakirti and Jñānaśrī, as well as the Indian school of materialism (Chārvaka). He is widely regarded as the most important philosopher within the Nyaya tradition. Udayana also played a crucial role in synthesizing the views of the Nyaya and Vaisheshika schools of logic, laying the groundwork for the Navya-Nyāya ("New Nyāya") school established by Gangesha Upadhyaya in the 13th century. He resided in Kariyan village in Mithila, near present-day Darbhanga, Bihar, India. His notable works include Nyayakusumanjali, Atma-tattva-viveka, Kiranaavali, and Nyaya-parishishhta.