| World | His image | Period | Reviews |
|---|---|---|---|
| khalid ibn yazid | |
634-709m | He was interested in science and the patron of miners, and is the first to take care of the Arabs in chemistry which translated books, where messages, also interested in medicine and astronomy. |
| jabir ibn hayyan | |
722-804m | Excelled in chemistry, astronomy, engineering, metallurgy, philosophy, medicine and pharmacy, and Jabir Ibn Hayyan first used in practice in the history of chemistry is nicknamed PAPI chemistry |