Aristotle (384-322 BC) - One of the most prominent Greek philosophers, he
is said to have reflected on every subject which came within the range of
ancient thought. Called "the master of those who know," by Dante, his
influence on the history of thought and knowledge is unparalleled.
Heavens (350 BC) - One of Aristotle's treatises on Natural Science. It
deals with the heavenly and sublunary bodies.
