was born on Jan 4, 1643 (acc. to Gregorian calendar).
A key figure in the scientific revolution, his 'Principia Mathematica' laid the foundations of

He made seminal contributions to and co-developed with Leibniz.

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Added a few more characters (PigPen, Woodstock, & Sally) to this year's holiday Peanuts dance. 🙂 https://t.co/bf8fDV4TV7

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