Physiognomy is the interpretation of a physical appearance, especially facial features, which reveal a person’s predominant temper and character.
Physiognomy is based upon the belief that a person’s physical appearance reflects their character or personality.
The use of physiognomy is attributed to the Greek philosopher Aristotle. But earlier sources say that physiognomy was known to Pythagoras, Socrates, and Hippocrates. In the sixteenth century physiognomists were tortured as heretics. The principal promoter of physiognomy in modern times was the Swiss pastor Johann Kaspar Lavater (1741-1801).