arbiter - someone chosen to judge and decide a disputed issue; the critic was considered to be an arbiter of modern literature; the arbitrator's authority derived from the consent of the disputants; an umpire was appointed to settle the tax case.
Hippocrates was a Greek physician born in 460 BC on the  island of Cos, Greece. He became known as the founder of medicine  and was regarded as the greatest physician of hisâ¦ time. He based  his medical practice on observations and on the study of the human  body.
The Oath of Hippocrates written by the father of medicine, Hippocrates, is still used in today's medical and dental professions as a standard of care that all in the profession are expected to uphold. Aristotle helped bring attention to the importance of oral hygiene.