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Aristotle wrote this book in many different segments but he finished weighting the book in the year 322 BC.
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A group of followers of the Greek philosopher Aristotle(385-322BC) put together a series of his works on logic.
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Ptolemy (100-170AD) a Egyptian astronomer had created his geocentric universe theory or in other words he thought that the Earth was the center of the universe.
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Copernicus(1473-1543) a Polish scholar wrote “On the Revolutions of the Heavenly Spheres.” In this book he suggested that the universe was heliocentric.
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Andreas Vesalius(1514-1554) a Flemish scientist published “On the Structure of the Human Body” which became the first ever accurate study of human anatomy.
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Although he did not actually invent the thermometer he did make a water thermoscope which was the first way to ever actually tell difference in temperature.
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Johannes Kepler (157-1630) a German astronomer published his laws of planetary motion saying that the planets moved in an ellipse instead of a perfect circle around the Sun.
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Galileo(1564-1642) was an Italian scientist and one of the few people to use a telescope to look up at the heavens and in 1609 Galileo made his own telescope to do so.
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William Harvey(1578-1657)was an English physician published his book “Anatomical Exercise on the Motion of the Heart and Blood in Animals.”
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Isaac Newton presents his three laws of motion.The first and third laws are the most used laws.1st-every object persists in it’s state of rest or uniform motion in a straight line unless it is compelled to change that state by forces impressed on it.3rd-for every action, there is an equal opposite re-action.
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Isaac Newton(1643-1727) a European scientist published his theory of gravity. His theory was started after he saw an apple fall from a tree.
