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Thomas Alva Edison

Thomas Alva Edison Biography

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Thomas Edison information, life, wiki & family An inventor…
Nicolaus Copernicus

Nicolaus Copernicus Biography & Wiki

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Nicolaus Copernicus, astronomer and mathematician, was born on…
archimedes

Facts & Biography of Archimedes

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Ancient Greek engineer, physicist, inventor, mathematician and…
Alexander Graham Bell

Biography of Alexander Graham Bell

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Alexander Graham Bell facts Scientist, engineer, inventor and…
Aristotle

Facts of Aristotle

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Biography of Aristotle Greek greatest & famous philosopher…
biography of Galileo Galilei

Galileo Galilei

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Galileo Biography An Italian astronomer, physicist, engineer,…