what did isaac newton contribute to science?
Newton fractal Newton–Euler equations Newton's laws of motion Newton's cannonball Newton Newton's inequalities Newton's notation Newton polygon Newton disc
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 Newton was made President of the Royal Society in 1703 and an associate of the French Académie des Sciences . In his position at the Royal Society , Newton made an enemy of John Flamsteed , the Astronomer Royal , by prematurely publishing Flamsteed 's Historia Coelestis Britannica , which Newton had used in his studies . 

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 Newton did have a close friendship with the Swiss mathematician Nicolas Fatio de Duillier , whom he met in London around 1690 . Their intense relationship came to an abrupt and unexplained end in 1693 , and at the same time Newton suffered a nervous breakdown . Some of their correspondence has survived . 

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 It was while Galileo was under house arrest that he dedicated his time to one of his finest works , Two New Sciences . Here he summarised work he had done some forty years earlier , on the two sciences now called kinematics and strength of materials , published in Holland to avoid the censor . This book has received high praise from Albert Einstein . As a result of this work , Galileo is often called the " father of modern physics " . He went completely blind in 1638 and was suffering from a painful hernia and insomnia , so he was permitted to travel to Florence for medical advice . 

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 Another important development was in the process for discovery , the scientific method , focusing on empirical evidence and the importance of mathematics , while discarding Aristotelian science . Early and influential proponents of these ideas included Copernicus , Galileo , and Francis Bacon . The new scientific method led to great contributions in the fields of astronomy , physics , biology , and anatomy . 

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 Newton himself had been rather more modest of his own achievements , famously writing in a letter to Robert Hooke in February 1676 : 
