###### The Way to Quantum Theory

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*Massimiliano Badino*

## The Odd Couple: Boltzmann, Planck, and the Application of Statistics to Physics

As it is well-known, in 1900 Planck derived the black-body distribution law by supplementing the electrodynamical analysis of the heat radiation with statistical arguments. This application of statistics was meant as an extension *More The Odd Couple: Boltzmann, Planck, and the Application of Statistics to Physics*

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*John Norton*

## Einstein's Miraculous Argument of 1905

Of all the papers of his 1905 year of miracles, in May 1905 Einstein reserved the term "very revolutionary" for just one, his paper that proposes the light quantum. That appraisal seems fair and even modest if we recall that the great achievement of 19th century physics had *More Einstein's Miraculous Argument of 1905*

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*Enrico Gianetto*

## Poincaré's Electromagnetic Quantum Mechanics

The rise of quantum physics is considered by outlining the historical context in which different conceptions of Nature (mechanistic, thermodynamic and electromagnetic ones) were in competition to give a foundation to physics. In particular, the roots of quantum physics *More Poincaré's Electromagnetic Quantum Mechanics*