Mathematician:Baudhayana

Indian mathematician, also a priest, believed to have flourished c. 800 BCE. Believed to have been a skilled craftsman, thus to have used his mathematical expertise in practical ways.

Did some early research into creating a circle with the same area as a given square.

Discovered $\pi$ to some degree of precision, and discovered what is now known as Pythagoras's Theorem.

Also evaluated the square root of 2 to five decimal places of accuracy.

Nationality
Indian

History

 * Lived sometime around 800 BCE.

Books and Papers

 * Shrautasūtra
 * Dharmasūtra