李时珍
Li Shizhen (July 3, 1518  – 1593), courtesy name Dongbi, was a Chinese acupuncturist, herbalist, naturalist, pharmacologist, physician, and writer of the Ming dynasty. He is the author of a 27-year work, found in the "Compendium of Materia Medica" (Bencao Gangmu (). He developed several methods for classifying herb components and medications for treating diseases.