Galileo Galilei
Galileo was a mathematician transformed into an astronomer. He created the modern telescope based on a primitive model that originated in Amsterdam. Galileo disproved Aristotle's fundamental principles of the universe, which had been excepted throughout the centuries as common knowledge. According to this theory, no change could ever take place in the heavens, because everything in them was made of a perfect and unalterable substance called the "quintessence." However, in Octob...
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