Abū ʿUthman ʿAmr ibn Baḥr al-Kinānī al-Baṣrī, commonly known as al-Jāḥiẓ was a prose writer and author of works of literature, theology, zoology, and politico-religious polemics. He described himself as a member of the Arabian tribe Banu Kinanah.
He has been credited with describing certain principles related to natural selection.
