Areteo de Capadocia

Areteo de Capadocia was an influential Greek physician and philosopher who lived in the 1st and 2nd centuries AD. He is often credited with being one of the first to describe what is now known as manic-depressive illness, or bipolar disorder. His observations and writings laid the groundwork for future understandings of mental health and disease, marking him as a significant figure in the history of medicine.