ATOMIC THEORY THEN AND NOW

  • Democritus
    500

    Democritus

    First person to say that matter could not be infinitely divided. Coined the term "atomos" and atoms could not be created, destroyed, or further divided.
  • Aristotle
    506

    Aristotle

    Denied existence of atoms due to his personal ideas of nature.
  • Dalton

    Dalton

    Took Democritus ideas about matter and revised them based off his personal scientific research.
  • J.J. Thompson

    J.J. Thompson

    Received noble peace prize in 1906 due to discovery of the electron
  • Ernest Rutherford

    Ernest Rutherford

    Rutherford calculated that an atom was mostl empty space to move around in.