Tajikistan 20 Somoni 1999 (2000) - Front: Abu Ali ibn Sina (Avicenna) (980-1037), great scientist, Persian encyclopaedist of the Tajik people. Back: Hissar Castle. Artifacts. National Flag of Tajikistan. Watermark: Portrait of Abu Ali ibn Sino.
War of the Encyclopaedists by Christopher Robinson
Aulus Cornelius Celsus, was a Roman encyclopaedist, known for his extant medical work, De Medicina, which is believed to be the only surviving section of a much larger encyclopedia. The De Medicina is a primary source on diet, pharmacy, surgery and related fields, and it is one of the best sources concerning medical knowledge in the Roman world. He made contributions to the classification of human skin disorders in dermatology, and his name is often occurring in medical terms about the skin.