1803: Dalton's Solid Sphere, based on ancient Greek theory by Democritus (460 BC)

• Slideshow

• Dalton's Bibliography

1904: JJ Thomson's Plum Pudding Model

1911: Rutherford's Nuclear Model

1913: Bohr's Planetary Orbit model

1926: Schrodinger's Wave-theory Model

1932: Addition of Neutron by Chadwick

1942: Manhattan Project

1951: Hydrogen Bomb Project (Operation Greenhouse)

Nuclear focused

Compatible with Quantum model (clarifies it)