From BiblePortal Wikipedia

Webster's Dictionary [1]

(n.) A famous Greek physician and medical writer, born in Cos, about 460 B. C.

The Nuttall Encyclopedia [2]

The father of medicine, born at Cos, 460 B.C.; was a contemporary of Socrates and Plato; was of wide-spread renown as a physician; settled in Thessaly and died at Larissa advanced in years; no fewer than 60 writings are ascribed to him, but only a few are genuine.