Answer: Aryabhatta
Notes: "Surya Siddhant" was written by Aryabhatta. It is a book or text about astronomy. It is in Sanskrit language and has 14 chapters. The Surya Siddhanta describes rules to calculate the motions of various planets and the moon relative to various constellations, and calculates the orbits of various astronomical bodies. Aryabhatta was one of the first major mathematician and astronomer from the classical age of Indian mathematics and Indian astronomy. He was born in 476 AD in Pataliputra.
