History of the Atom Project

  • 400 BCE

    Democritus Proposes the Idea of the Atom

    Democritus Proposes the Idea of the Atom
  • John Dalton Creates Atomic Theory

    John Dalton Creates Atomic Theory
  • J.J. Thomson Discovers the Electron

    J.J. Thomson Discovers the Electron
  • Marie Curie Discovers Radioactive Elements Radium and Polonium

    Marie Curie Discovers Radioactive Elements Radium and Polonium
  • Ernest Rutherford discovers Radioactive Half-Life

    Ernest Rutherford discovers Radioactive Half-Life
  • Niels Bohr Creates the Bohr Atomic Model

    Niels Bohr Creates the Bohr Atomic Model
  • Erwin Schrödinger Makes Wave Equation

    Erwin Schrödinger Makes Wave Equation
  • James Chadwick Discovers Neutrons in Atoms

    James Chadwick Discovers Neutrons in Atoms