- Leucippus lived in the fifth century B.C. His birth and death dates are unknown.
- He was from the city of Miletus.
-He studied at the school in Elea and was influenced by Zeno (a person who studied the paradoxes and problems of space).
-In 440 B.C. he came up with the original concept of the atom.
- In 420 B.C. he came up with the word "atom" from the greek "a-toms" meaning "indivisible."
-In his life, Leucippus wrote 2 books and founded a school in Abdera. He was the mentor of Democritus.
