Abū aṣ‐Ṣalt Umayya ibn ʿAbd al‐ʿAzīz ibn Abī aṣ‐Ṣalt ad‐Dānī al‐Andalusī, known in Latin as Albuzale, was an Andalusian-Arab polymath who wrote about pharmacology, geometry, Aristotelian physics, and astronomy. His works on astronomical... Wikipedia