History of the Atom

  • 460 BCE

    Democritus

    Democritus
    He was the first person to have the idea that atoms or small indestructible things formed everything in the universe.
  • John Dalton

    John Dalton
    He was a English Chemist, Physicist, meteorologist. He also introduced the Atomic Theory into chemistry.
  • Dmitri Mendeleev

    Dmitri Mendeleev
    He is most well known for creating the periodic table but he is also known for figuring out how to arrange elements by atomic mass.
  • Eugen Goldstien

    Eugen Goldstien
    He was a german physicist and he discovered anode rays but he is most well known for discovering the proton.
  • J. J. Thompson

    J. J. Thompson
    He was an English Physicist and his most notable achievement is discovering the electron.
  • Max Planck

    Max Planck
    He is a german physist and is best known for his discovery of the quantum theory which revolutionized human understanding of the atomic process.
  • Robert Andrews Millikan

    Robert Andrews Millikan
    He was an American physicist that won the nobel prize for figuring out how to measure electron charge.
  • Ernest Rutherford

    Ernest Rutherford
    He was a New-Zealand born physicist who discovered many things about nuclear physics. He also discovered that atoms have a small nucleus.
  • Niels Bohr

    Niels Bohr
    He was a Danish physicist who helped further the study of atomic structure and the quantum theory.
  • Erwin Shrodinger

    Erwin Shrodinger
    He was an Austrian physicist who won the nobel prize. He also discovered that he could predict the positions of electrons.
  • James Chadwick

    James Chadwick
    He was a british physicist who won the nobel prize and helped the US research atomic bombs. He also discovered neutrons in atoms.
  • Werner Heisenberg

    Werner Heisenberg
    He was a German theoretical physicist he won the nobel prize and is best well known for his discoveries in quantum physics.