Sir Issac Newton was born on25thDec inWoolshorpe Lincolonshore London and died 20th march1726.He was anenglish physicist and amathematician.His book MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY published in1687,laid foundation forclassical mechanics.he also made contributions to Optics.Newtons principia formulated the laws of motion and universal gravitation.He built first practical reflecting telescope and developed a theory of colorbased on observation thata prism decompose white light component colors of visible spectrum
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