THE Greek philosopher Democritus was not the first person to suggest matter is made of tiny particles. But he got the credit when scientists finally accepted the idea 2,000 years after his death.

Ancient Greek philosopher Aristotle (L), philosopher and scientist Democritus (C) and Athenian politician and general Pericles are depicted on Greek Drachma coins in this picture illustration taken in ...

Perhaps among the most popular ancient philosophers in the world, Democritus, next on our list of top 10 ancient atheist philosophers and their quotes, played a very important role in the atomic ...