Abū Ḥanīfah Aḥmad ibn Dāwūd Dīnawarī (815–896, Persian: ابوحنيفه دينوری‎) was an Iranian Islamic Golden Age polymath, astronomer, agriculturist, botanist, metallurgist, geographer, mathematician, and historian. His ancestry came from the region of Dinawar in modern-day western Iran. He was instructed in the two main traditions of the Abbasid-era grammarians of al-Baṣrah and of al-Kūfah. His principal teachers were Ibn al-Sikkīt and his own father. He studied grammar, philology, geometry, arithmetic, and astronomy and was known to be a reliable traditionist. His most renowned contribution is Book of Plants, for which he is considered the founder of Arabic botany. Dinawari was of Persian descent.