|Born||Early 5th century BC|
|Died||5th century BC|
|School||Pre-Socratic philosophy; Materialism|
Leucippus or Leukippos (Ancient Greek: Λεύκιππος, first half of 5th century BC) was a Greek philosopher. He was an early philosopher of atomism, the idea that everything is made up of many tiny things which always continue to exist.