Ancient Epoch
Use these links to learn about ancient philosophers and scientists:
ArchimedesAristotleDemocritusEn Hedu' AnnaEratosthenesHipparchusHypatiaPlatoPtolemyPythagorasSocratesThalesLast modified July 19, 2001 by Jennifer Bergman.
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The Earth Scientist, Volume XXVI, Issue 2, Summer 2010
Our 2010 Summer issue of The Earth Scientist includes six articles dealing with various aspects of Earth Science. An article from NOAA details how lake effect snow can, under the right conditions, actually occur on the narrow Mississippi River....more
Archimedes
Archimedes was a Greek mathematician and engineer who lived between 287-212 B.C. His greatest contributions are in the field of geometry and in the development of war machines. Legend has it that Archimedes...more
Aristotle
Aristotle was a Greek philosopher who lived between 384-322 B.C. He was one of the greatest thinkers of the world and his written works encompassed all major areas of thought. Aristotle mistakenly believed...more
Democritus
Democritus was a Greek philosopher who lived between 470-380 B.C. He developed the concept of the 'atom', Greek for 'indivisible'. Democritus believed that everything in the universe was made up of atoms,...more
Eratosthenes
Eratosthenes was a Greek scientist who lived from 276 to 194 B.C. He studied astronomy, geography, and math. Eratosthenes is famous for making the first good measurement of the size of the Earth. He spent...more
Plato
Plato was a Greek philosopher who lived between 427-327 B.C. He founded the Academy in Athens, a school which made many important scientific discoveries during ancient times. Although Plato made no important...more
Ptolemy
Ptolemy was a Greek astronomer who lived between 85-165 A.D. He put together his own ideas with those of Aristotle and Hipparchus and formed the geocentric theory. This theory states that the Earth was...more
Pythagoras
Pythagoras was a Greek philosopher who lived between 580-520 B.C. He founded a school in Croton, which made outstanding contributions to the field of mathematics. Pythagoras and his cult members believed...moreShop Windows to the Universe
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