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.
He had founded the Coyan Medical School that later on competed with the Knidean Medical School. For a long time he practiced in Thrace and died in old age in Larissa in Thessalia. Hippocrates is the father of modern medicine. He lived around the time of 430 & 370 B.C. He was born on the island of Cos.