1898 ⟶ J.J. Thomson Proposes the Plum Pudding Model of the Atom
J.J. Thomson proposed the plum pudding model of an atomYear
1897
1898
1911
1913
1928
⚛️ J.J. Thomson Discovers the Electron
J.J. Thomson discovers the electron in cathode rays⟶

PhysicsParticle PhysicsAtomic TheoryJ.J. ThomsonScientific RevolutionModern ScienceDiscovery

⚛️ J.J. Thomson Proposes the Plum Pudding Model of the Atom
J.J. Thomson proposed the plum pudding model of an atom⟶

Atomic TheoryPhysicsScientific RevolutionJ.J. Thomson

⚛️ Rutherford Discovers the Atomic Nucleus

PhysicsAtomic TheoryNuclear PhysicsErnest RutherfordModern ScienceScientific Revolution

⚛️ Niels Bohr Proposes Atomic Model

PhysicsAtomic TheoryQuantum MechanicsScientific Revolution


⚛️ Dirac Equation Formulation

Quantum MechanicsTheoretical PhysicsPhysicsParticle PhysicsElectromagnetismScientific Revolution
