t people of his time, Aristotle's inquiries delved into a number of subjects. He made lasting contributions in astronomy, was essentially the first biologist, and even dabbled in psychology with his "Treatises on the Soul" (Alexander). The boundaries of mathematics expanded considerably during the glory of Ancient Greece. The essential mathematicians Euclid, Archimedes, and Pythagoras hailed from ancient Greece. From these men came the essence of plane geometry, the value of pi, as well as many invaluable theorems (Spielgovel 107). The Greek astronomers proposed countless numbers of revolutionary theories such as a heliocentric universe, and the idea of a spherical Earth. Perhaps the most important breakthrough came from Hippocrates. Spielgovel explains, "Hippocrates was the first to separate medicine from philosophy" (Spielgovel 107). Hippocrates opened the doors of medicine, and hence, changed human life forever. These contri
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