'''Thales of Miletus''' (ca. 624 BC–ca. 546 BC), was a [[Greek philosopher]] and [[mathematician]] and one of the [[Seven Sages|seven wise men of antiquity]]. He was the first Greek philosopher to take an interest in [[mathematics]] and [[science]]. He was the first to apply logical proof to geometry, and proved the six basic propositions of geometry. When he traveled to [[Egypt]] he calculated the height of [[pyramids]] using [[geometry]], and would also calculate the distance of ships from the shore. He was born and lived in [[Miletus]], [[Ionia]], now western [[Turkey]].
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'''Thales of Miletus''' (ca. 624 BC–ca. 546 BC), was a [[Greek philosopher]] and [[mathematician]] and one of the [[Seven Sages of Greece|seven wise men of antiquity]]. He was the first Greek philosopher to take an interest in [[mathematics]] and [[science]]. He was the first to apply logical proof to geometry, and proved the six basic propositions of geometry. When he traveled to [[Egypt]] he calculated the height of [[pyramids]] using [[geometry]], and would also calculate the distance of ships from the shore. He was born and lived in [[Miletus]], [[Ionia]], now western [[Turkey]].