# What are some facts about Sir Isaac Newton?

Sir Isaac Newton had numerous discoveries but he is mostly famous for formulating the theory and law of gravity and motion. It is known that he discovered the law of gravity when an apple fell from a tree and hit his head. Born on 4th January 1643, the famous scientist was also the first person to invent the first working reflecting telescope.
Q&A Related to "What are some facts about Sir Isaac Newton?"
 Isaac Newton explained the workings of the universe thru mathematics. He http://www.chacha.com/question/what-was-sir-isaac-...
 its WHY is isaac newton so famous. well he invented many useful everyday inventions that helped society, such as the dog door, the reflecting telescope the newton meter that can measure http://wiki.answers.com/Q/What_is_sir_isaac_newton...
 Formulation of the Laws of Gravity. Also: Laws of Motion. Invention of calculus. work with prisms leading to discoveries about the nature and composition of Light. In a wider sense, http://answers.yahoo.com/question/index?qid=200910...
 If you meant 'last name,' then it is Newton. Sir is a title - like Mr. and Isaac is his first name. http://wiki.answers.com/Q/What_is_sir_isaac_newton...