1923 ⟶ Compton Confirms Particle Nature of Photons

Arthur Compton: Particle nature of photons confirmed by obse...
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1905
1923
1924
1925

✨ Einstein: Special Relativity, Light Quantum (Photon), Photoelectric Effect, and Mass–Energy Equivalence

Albert Einstein: Special relativity, proposes light quantum (later named photon) to explain the photoelectric effect, Brownian motion, Mass–energy equivalence⟶
Einstein: Special Relativity, Light Quantum (Photon), Photoelectric Effect, and Mass–Energy Equivalence (1905)
PhysicsSpecial RelativityPhotoelectric EffectPhotonMass-Energy EquivalenceAlbert EinsteinEarly 20th CenturyQuantum PhysicsE=mc2
SwitzerlandSwitzerland

💡 Compton Confirms Particle Nature of Photons

Arthur Compton: Particle nature of photons confirmed by observation of photon momentum⟶
Compton Confirms Particle Nature of Photons (1923)
PhysicsQuantum PhysicsPhotonCompton EffectWave-Particle DualityElectromagnetic Radiation20th Century PhysicsParticle Physics
United StatesUnited States

🌊 De Broglie Introduces the Wave-Model of Atomic Structure

Louis de Broglie introduces the wave-model of atomic structure, based on the ideas of wave–particle duality.⟶
De Broglie Introduces the Wave-Model of Atomic Structure (1924)
Quantum MechanicsAtomic StructureWave-Particle DualityDe BroglieWave ModelQuantum Physics1920sTheoretical Physics
FranceFrance

📊 Bose–Einstein Statistics Introduced

Bose–Einstein statistics⟶
Bose–Einstein Statistics Introduced (1924)
Statistical MechanicsQuantum StatisticsBose-Einstein StatisticsBoseEinsteinQuantum Physics1920sPhysics
IndiaIndiaGermanyGermany

⚛️ De Broglie Develops the De Broglie Wave Concept

Louis de Broglie: De Broglie wave⟶
De Broglie Develops the De Broglie Wave Concept (1924)
Quantum MechanicsDe Broglie WaveWave-Particle DualityDe BroglieQuantum Physics1920sPhysicsTheoretical Physics
FranceFrance

⚛️ Niels Bohr & Max Planck: Foundation of Quantum Mechanics

27 – Niels Bohr & Max Planck: Quantum mechanics⟶
Niels Bohr & Max Planck: Foundation of Quantum Mechanics (1925)
Quantum MechanicsPhysicsTheoretical PhysicsAtomic TheoryNiels BohrMax Planck20th Century PhysicsWave-particle duality
DenmarkDenmarkGermanyGermany