Sir Isaac Newton was an English mathematician and physicist. He was considered one of the greatest scientists in history. Newton was probably best known for his discovery that the force called gravity affects all objects in space and on earth. He was educated at Trinity College at the University of Cambridge and became Lucasian Professor of Mathematics at the university. Newton has had achievements in three areas of science.
To begin with, Newton's first achievement was in mathematics. In 1666, he generalized the methods used to draw tangents to curve and to calculate the area swept by curves. He recognized that the two procedures were inverse operations, he joined them in what he called the fluxional method, a kind of math we know as calculus.
Next, inspired by his discussion with Edmund Halley about orbital motion, he established the modern science of dynamics by coming up with his three laws of motions.
When he applied these laws to those of Johannes Kepler's laws of orbital motion, he formulated the law of universal gravitation. His famous book Philosophiae Naturalis Principia Mathematica in 1687, detailed his findings and marked a turning point in science.
Newton's final interest was in optics. He explained color by saying that sunlight is a blend of different rays, each representing a different color. Furthermore, he explained that reflection and refraction cause colors to appear by separating light into its components. He experimented his theory of colors by passing a beam if light through a prism, which separated the beam into different colors. In 1704, he published Opticks, which explained his theories.
In conclusion, Sir Isaac Newton not only contributed to physics, but other aspects of science. He theories are known today. And we know him as one of the greatest scientist ever to be known by man.
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