1. Sir Isaac Newton
... why a rock is heavier than a pebble, and how earth's gravity could hold the moon in its orbit. Sir Isaac Newton's greatest contribution to science was his discovery of the theory of gravitation and its importance. When Newton saw an apple falling from a tree, he realized that there had to be an exerting force that ... a closer look with our universe because of Newton's invention. Also, calculus shows the next level of mathematics. Without it, we would have less knowledge of mathematics. Today, students would usually learn calculus in the junior or senior year, before they enter college....
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