Newton/rousseau/hobbes
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Newton/Rousseau/Hobbes
Isaac Newton
Isaac Newton was born in 1642, the same year Galileo died, in Woolsthorpe, Lincolnshire, England on Christmas Day. He is considered one of the greatest scientists in history. As an English mathematician and physicist, Newton made important contributions to many fields of science. His discoveries and theories laid the foundation for much of the progress in science since his time. The three most important offerings of Newton are solving the mystifications of light and optics, formulating his three laws of motion, and deriving from them the law of universal gravitation. Also he contributed so much to the fields of mathematics too.

While he was still a student at Cambridge University in 1664, he had a great interest in the mysteries of light,optic, and colors. He read the works of Robert Boyle, Robert Hooks, and also Renй Descartes for some motivation. He investigated the refraction of light by passing a beam of sunlight through a type of prism, which split the beam into separate colors reflecting a rainbow.Over a few years in series of elaborate experiments, Newton discovered measurable, mathematical patterns in the phenomenon of color. In 1672, Newton sent a brief summary of his theory of colors to the Royal Society in London but it only led to a number of criticisms in publication that hurt him greatly and maybe stopped his study at Cambridge. But in 1704, Newton published Opticks, which explained his theories in great detail.

Newtons three laws of motion and the law of universal gravitation are by far the most important scientific works in his life. After his criticism of light and optics, Edmund Halley, a British astronomer and mathematician, went to discuss with Newton orbital motion. Newton already had an attraction in universal gravitation so thanks to Halleys visit, Newton went back to those studies. During the next couple years, with the help of the German astronomer Johannes Keplers laws of orbital motion, Newton formulated his own three laws of motion. And from these three laws, Newton derived the law of universal gravitation which explained that all bodies in space and on earth are affected by the force called gravity. Probably the greatest book of Isaac Newton is Philosophiae Naturalis Principia Mathematica which he published in 1687 explaining his theory of universal gravitation. Principia, which most people call it, is definitely a turning point in the history of science.

Newtons three laws of motion are:
1) an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force
2) That force is equal to the sum of mass plus acceleration
3) That every force has an equal and opposite force – action and reaction.
Newtons first achievement was in mathematics. He generalized the methods that were being used to draw tangents to curves and to calculate the area swept by curves, and he recognized that the two procedures were inverse operations. By joining them in what he called the fluxional method, Newton developed in the autumn of 1666 a kind of mathematics that is now known as calculus. Calculus was a new and powerful method that carried modern mathematics above the level of Greek geometry. Though Newton invented calculus, he didnt introduce it to mathematics yet. Another man named Gottfried Wilhelm Leibniz created the same type of method as Newton and got credit for it since Newton hadnt published his yet because of his fear of publication and criticism. But when Newton actually that he had created it first, a huge conflict arose between him and Leibniz that affected so much at that time and the conflict had outlived Leibnizs death.

Newton also helped Cambridge resist King James IIs effort to change its university to a Catholic institution in 1687. So the Cambridge University elected Newton to serve as a representative in parliament. It was going pretty good for Newton at this time as he saw the triumph of Principia. He was later elected as warden, and later master, of the Royal Mint in London, where he lived after 1696.In 1703 the Royal Society elected him president, an office he held for the rest of his life. He never married and lived modestly, but was buried in Westminster Abbey in 1727.

Jean-Jacques Rousseau
Jean-Jacques Rousseau was born on June 28, 1712 in Geneva, Switzerland. He one of the most influential political philosophers during the Enlightenment in eighteenth century Europe. The major goal of Enlightenment thinkers was to give a foundation to philosophy that was independent of any particular tradition, culture, or religion. His mother had died and father had left him at a young age leaving him to be raised by his aunt and uncle. In his younger years, Rousseau was part musician and composer in Paris where he had moved in 1742.

He won an essay contest conducted by the Academy of Dijon in 1750 with his first major philosophical work, A Discourse on the Sciences and Arts. Rousseau argues in this piece of work that the progression of the sciences and arts has caused the corruption of virtue and morality. This discourse won Rousseau fame and recognition and also making him an enemy to some and lead up to his next piece of work that was longer then the first, The Discourse on the Origin of Inequality. The second discourse didnt win a Academy prize but it showed the intelligence of Rousseau. The central idea of this work is that human beings are basically good by nature, but were corrupted by the complex historical events in the past that resulted in present day civil society.

Music was still a major part of Rousseaus life at this point, and several years later, his opera, Le Devin du Village (The Village Soothsayer) was a great success and earned him even more recognition. But despite the fame of his opera, he gave up composing music.

Rousseaus general philosophy tried to grasp an emotional and passionate side of man which he felt was surpassed in previous philosophical thinking. The idea of the general will is the heart of Rousseaus philosophy. The general will doesnt go by majority but by the will of the just, wise, and the forces of good. Society is coordinated and unified by the general will.

Possible the greatest work of Rousseau is The Social Contract published in 1762. The social contract is the agreement with which a person enters into civil society. The contract binds people into a community that exists for shared preservation. In entering into civil society, people sacrifice

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