Thales of Miletus(Sixth Century Bce) Thales of Miletus is widely depicted in ancient sources as a pioneering rationalist and the founding father of Greek philosophy, science, and mathematics. Famous for ingenuity in many areas, he was also numbered...

630?-547 B.C. Greek Engineer Thales is remembered as a founder of rational scientific inquiry and one of the first in a long and distinguished series of Greek scientists in the ancient world. Interested in virtually everything, he was perhaps the first...

625?-547? B.C. Greek natural philosopher, engineer, and mathematician whom later Greek mathematicians credit with bringing Egyptian mathematics to Greece, thereby founding the study of Greek geometry. He is considered the first philosopher to suggest...

(flourished 6th century &BC;) Greek philosopher. None of his writings survive, and no contemporary sources exist. The claim that Thales was the founder of Western philosophy rests primarily on Aristotle, who wrote that he was the first to suggest a...

For the Defense and Security Company, see Thales Group. Thales of Miletos (Θαλá¿ς á½ Μιλήσιος, ca. 624 BC–ca. 546 BC), was a pre-Socratic Milesian[1] philosopher and one of the Seven Sages of Greece. Many regard him as the first...