Timeline of The Atomic Theory

  • 400 BCE

    Democritus

    Democritus was a central figure in the development of the atomic theory of the universe. He theorised that all material bodies are made up of indivisibly small “atoms.”
  • Period: 384 BCE to 322 BCE

    Aristotle

    Aristotle laid the philosophical groundwork for all subsequent discussions of elements, pure substances, and chemical combination.
  • Issac Newton

    Isaac Newton contributed to atomic theory through his systematic development of calculus-based object modeling concepts
  • John Dalton

    Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks
  • Michael Faraday

    made one of the most significant discoveries that led to the idea that atoms had an electrical component.