25 AC - Aulus Cornelius Celsus was born.
- He probably lived in Gallia Narbonensis.
- His only extant work, the De Medicina, is the only surviving section of a much larger encyclopedia, and is a primary source on diet, pharmacy and surgery and related fields.
- Celsus' De Medicina is one of the best sources on Alexandrian medical knowledge.
- Celsus is credited with recording the cardinal signs of inflammation: calor (warmth), dolor (pain), tumor (swelling) and rubor (redness and hyperaemia).
- He describes many 1st century Roman surgical procedures which included removal of a cataract, treatment for bladder stones, and the setting of fractures.
50 AC - Aulus Cornelius Celsus died.
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