## Section II

###### Old Quantum Theory and Statistics

Session Chair: Arne Schirrmacher, Christoph Lehner

Speakers: Matthew Konieczny, Michael Eckert, C. Gearhart, M. Badino and B. Friedrich, Enric P. Canals and T. Sauer

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*Matthew Konieczny*

## The Birth of a Quantum Physics on the Eastern European Periphery: Władysław Natanson and the First Solvay Conference of 1911

In this paper I will explore the relationship between the production and *More The Birth of a Quantum Physics on the Eastern European Periphery: Władysław Natanson and the First Solvay Conference of 1911*

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*Michael Eckert*

## Sommerfeld's Munich Quantum School

Although no history of quantum physics fails to mention Arnold Sommerfeld as one of its major architects (Bohr-Sommerfeld-model, Sommerfeld’s *More Sommerfeld's Munich Quantum School*

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*Clayton Gearhart*

## Fritz Reiche's 1921 Quantum Theory Textbook

“Astonishing successes.” “Bitter disappointment.” With these words, the German physicist Fritz Reiche (1883–1969) summed up the state of quantum theory *More Fritz Reiche's 1921 Quantum Theory Textbook*

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*Massimiliano Badino, Bretislav Friedrich*

## Putting the Quantum to Work: Otto Sackur's Pioneering Exploits in the Quantum Theory of Gases

In the wake of the First Solvay Conference (1911), many leading physicists had *More Putting the Quantum to Work: Otto Sackur's Pioneering Exploits in the Quantum Theory of Gases*

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*Enric Perez Canals, Tilman Sauer*

## Einstein's Quantum Theory of the Monatomic Ideal Gas: Non-statistical Arguments for a New Statistics

In 1924-1925 Einstein made an important step in the quantization of the ideal gas, i.e. of a system of *More Einstein's Quantum Theory of the Monatomic Ideal Gas: Non-statistical Arguments for a New Statistics*