“Like most ancient peoples, the Greeks were stargazers, and the Babylonians were the first masters of astronomy: they had learned how to predict eclipses. Thales, the first Greek astronomer, learned how to do this from the Babylonians, or perhaps through the Egyptians. ... With Babylonian astronomy came Babylonian numbers. For astronomical purposes, the Greeks adopted a sexagesimal number system and even divided hours into 60 minutes....” Pg 39