Baudhāyana, (fl. ca. 800 BCE) was an Indian mathematician, who was most likely also a priest. He is noted as the author of the earliest
Sulba Sutra — appendices to the
Vedas giving rules for the construction of
altars — called the , which contained several important mathematical results. He is older than other famous mathematician
Apastambha. He belongs to Yajurveda school.
See more at Wikipedia.org...