Abū Mūsā Jābir ibn Ḥayyān (born c. 721, Ṭūs, Iran—died c. 815, Al-Kūfah, Iraq) was a Muslim alchemist known as the father of Arabic chemistry. He systematized a “quantitative” analysis of substances and was the inspiration for Geber, a Latin alchemist who developed an important corpuscular theory of matter. The historical figure