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The Atomic Theory Timeline

By Mizzz_Marie
  • 500 BCE

    Leucippus

    Leucippus
    Findings:
    - The void was absolutely necessary for motion to occur
    - He was believed to have created the first theory of the atom
  • 480 BCE

    Zeno

    Zeno
    Beliefs:
    -Stated that the universe is a single entity
    -Proposed the theory of Eleatics
  • 465 BCE

    Democritus

    Democritus
    Principles/Findings:
    -Everything is made up of atoms
    -Atoms are indestructible, cannot be seen, consist of the same parts, solid, and are different due to their varying sizes, shapes, masses, positions, and arrangements