Great people: Thales.

Thales of Miletus (Θαλῆς ὁ Μιλήσιος) was born in c. 626 B. C. He was known as a scientist in Ancient Greece.

Thales was interested in astronomy, mathematics, geometry, ethics, and philosophy.

He visited other countries.

Thales had his own ideas. Thales' theorem is one of them.

Thales of Miletus did many important things for different sciences.

He died in c. 548 B. C.