Madhavacharya
Sri Madhavacharya, also known as Swami Vidyaranya, was born to Mayanacharya and Srimatidevi in Pampaksetra, Karnataka in 13th century AD. He was proponent of the Advaita School of philosophy.
Works :
He wrote commentaries on Bhagavad Gita, Upanishads and Brahmasutras.
In his life time he also wrote many books and commentaries, including his commentaries on the Bhagavad gita, the ten Upanishads and the Brahmasutras. His Sarva-Dharshana-Sangraha, was a compendium of sixteen known Indian Schools of philosophies. He also authored Parasara – Madhaviya in Sanskrit.
His contributions to Mathematics are unparalleled. He postulated several mathematical theories. The present day Taylor series of Sine and Cosine functions, Newton Power series, Gregory Leibnitz series for the Inverse Tangent, Leibnitz power series ..etc were first postulated by Sri Madhavacharya several centuries before they were postulated by modern day mathematicians.
References :
He inspired Harihara and Bukka Raya to establish Hindu kingdom to save Hindu Dharma from the onslaught of barbarians. It became a common practice for the Muslim invaders to burn libraries, kill men and pillage any thing sacred. Harihara Raya and Bukka Raya were forcibly converted to Islam earlier by Sultan of Delhi. The kingdom established was known as Vijayanagara Empire.