Meet The Four Basic Temperaments  More than 400 years before Christ, Hippocrates, the brilliant Greek physician and philosopher, propounded the theory that there are basically four types of temperament. He erroneously thought that four temperament types were the result of the four body liquids that predominated in the human body: “blood”; “choler” or “yellow bile”; “melancholy”or “black bile”; and “phlegm.”  Hippocrates gave names to the temperaments that were suggested by the liquids… Read More