Complex sentence: Democritus ("Dēmókritos ", meaning"chosen of the people";) was an influential Ancient Greek pre-Socratic philosopher who is mainly remembered today for his formulation of an atomic theory of the universe.
Split into simpler sentences: Democritus ("Dēmókritos ", meaning"chosen of the people";) was an influential Ancient Greek pre-Socratic philosopher. He is primarily remembered today for his formulation of an atomic theory of the universe.