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Like most other men who made great advances in knowledge in world history, Newton discovered and explained something that was unseen:  the invisible force of gravity.  Newton proposed action-at-a-distance, whereby one object attracts another through an invisible force of gravity.  Newton was ridiculed for proposing that something unseen could act at a distance and influence something else millions of miles away from it.  Yet Newton was right.  Speaking of the world in which we live, Newton once said, “Why not try to understand it?”  Newton understood it and explained it to the rest of us, and we are forever grateful.

Like most other men who made great advances in knowledge in world history, Newton discovered and explained something that was unseen:  the invisible force of gravity.  Newton proposed action-at-a-distance, whereby one object attracts another through an invisible force of gravity.  Newton was ridiculed for proposing that something unseen could act at a distance and influence something else millions of miles away from it.  Yet Newton was right.  Speaking of the world in which we live, Newton once said, “Why not try to understand it?”  Newton understood it and explained it to the rest of us, and we are forever grateful.

A German contemporary of Newton, Gottfried [[Leibniz]], deserves mention.  Like Newton, Leibniz was a devout Christian.  In fact, Leibniz was a Lutheran who dreamed of reuniting that denomination with the Catholic Church.  Leibniz was also a brilliant mathematician who developed calculus independent of Newton.  It was Leibniz, not Newton, who first published the notation for the integral:   f(x) dx. But an ugly dispute developed between Newton and Leibniz over who discovered calculus first.  Most English-speaking historians give the credit to Newton but bias may play a role in that.  Regardless, the world benefited immensely from Leibniz as well as Newton.

A German contemporary of Newton, Gottfried [[Leibniz]], deserves mention.  Like Newton, Leibniz was a devout Christian.  In fact, Leibniz was a Lutheran who dreamed of reuniting that denomination with the Catholic Church.  Leibniz was also a brilliant mathematician who developed calculus independent of Newton.  It was Leibniz, not Newton, who first published the notation for the integral:  

<math>\int_a^b f(x)dx</math> But an ugly dispute developed between Newton and Leibniz over who discovered calculus first.  Most English-speaking historians give the credit to Newton but bias may play a role in that.  Regardless, the world benefited immensely from Leibniz as well as Newton.

==The Enlightenment==

==The Enlightenment==