Jābir ibn Hayyān (جابر بن حيان) Abū Mūsā Jābir ibn Ḥayyān, (born c. 721, Ṭūs, Iran—died c. 815, Al’ Kūfah, Iraq), alchemist known as the father of 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. (www.britannica.com)