H. P. Blavatsky

Arya‐Bhata. The earliest Hindu algerbraist and astronomer, with the exception of Asura Maya (q.v.); the author of a work called Ârya Siddhânta, a system of Astronomy.

Source: H. P. Blavatsky, The Theosophical Glossary, art. Arya‐Bhata