Answers

2015-06-26T22:52:45+08:00
The great Greek philosopher and scientist Aristotle (384-322 BC).
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2015-06-28T20:09:54+08:00
many experts recognize Ibn al-Haytham, who lived in present-day Iraq between 965 and 1039 A.D., as the first scientist.
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Thales of MiletusĀ 
about 624 B.C. to about 545 B.C.
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