A History Wall
of Quantum Physics

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1880
1885

Hydrogen Spectral Lines in (Architectural) Perspective

1888

Wavelengths of Spectral Series Lines

1890
1895

A Black Body Explaining the Colors of Light

1896

What Spectral Lines Do When In a Magnetic Field

Late 19th Century

Electic Light – Big Business for Physics?

1900
December 1900

A New Universal Constant With a Meaning

1902

Frequency, Not Intensity Reigns the Photo Effect

1902

The Law of Radiactive Decay

1903

The Empty Atom

1905

Quantization of the Energy of Light

1904-1906

Producing (Quantum) Mathematics in Advance