Aryabhata
Mathematician and astronomer
Aryabhata or Aryabhata I was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. His works include the Āryabhaṭīya and the Arya-siddhanta.
For his explicit mention of the relativity... Wikipedia
Born: 476 AD, Pataliputra
Died: 550 AD (age 74 years), Pataliputra
Era: Gupta era
Influenced: Lalla, Bhaskara I, Brahmagupta, Varahamihira
Main interests: Mathematics, astronomy
Notable works: Āryabhaṭīya, Arya-siddhanta
Books