Sir Isaac Newton is often considered to be the world’s finest scientist. Born in Lincon in 1642, he studied at Cambridge and went on to discover the law of gravitation, and invent the first reflecting telescope. He was knighted n 1702 and died in 1727. He is buried in Westminster Abbey. He wrote his masterpiece, Principia, in 1687.
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बेंजामिन फ्रैंकलिन (17 जनवरी, 1706 Boston, Massachusetts – 17 अप्रैल, 1790 Philadelphia, Pennsylvania) संयुक्त राज्य …