Al-Razi is the real-life reference to Muhammad ibn Zakarīya Rāzi who was a Persian alchemist, chemist, physician, philosopher, and scholar. He wrote over 184 books and articles in various fields of science. Furthermore, Muhammad ibn Zakarīya Rāzi is considered the father of pediatrics. In the book, Al-Razi is a rich and powerful emperor who is ready to found Khalid's research if it proves to yield real gold.