Pioneers in the History of Homoeopathy and Natural Medicine Hippocrates The FATHER of MEDICINE (460 B.C.E. – 377 B.C.E.) – Larissa, Greece The ancient Greek physician Hippocrates is called the father of medicine. He changed the course of Greek medicine with his certainty that disease was not caused by gods or spirits but was the result of natural action. Early Life Hippocrates was born on the Aegean island of Cos, just off the Ionian coast near Halicarnassus (island of Greece) during the end of the fifth century B.