- Circa 1900
Dye label with an illustrated depiction of male laborers dyeing fabrics with Persian indigo dye in a setting reminiscent of Islamic architecture. The illustration may be intended to evoke Persian indigo dye workers in…
Stamp depicts a generic formula for an amino acid where R stands for "radical." In organic chemistry, this nomenclature represents the possibility of any one of a series of aliphatic groups, like methyl, ethyl, propyl,…
Iranian postage stamp commemorating the 1100th birthday of Abū Bakr Muhammad ibn Zakariyyā al-Rāzī (Rhazes)
Depicts Abū Bakr Muhammad ibn Zakariyyā al-Rāzī (also known as Rhazes), a Persian polymath, physician, alchemist, and philosopher.