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He had always been intrigued with science and basics of nature. He is known for his studies and experiments on lightning.

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Why was he involved? Well it was said that he had lived "wholly within the eighteenth-century Enlightenment". Him and his family had defended the middle class against  rich farmers and owners. He was considered a "true" man of Enlightenment who appreciated human rights, science, reason, and free thinking.

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With all his hard work, he had made a huge impact in todays world and history. Passed away in Philadelphia on April 1790.