Although next to nothing is known about Leucippus, historians believe that by building off the concept of [[Anaximenes]], he came up with the idea that all things are made up of teeny units called atoms. Therefore, Leucippus is known as the father of atomic theory. | Although next to nothing is known about Leucippus, historians believe that by building off the concept of [[Anaximenes]], he came up with the idea that all things are made up of teeny units called atoms. Therefore, Leucippus is known as the father of atomic theory. |