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The Origin and Development of the Quantum Theory: Being the Nobel Prize address delivered before the Royal Swedish Academy of Sciences at Stockholm, 2 June, 1920.

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Title: The Origin and Development of the Quantum Theory
Subtitle: Being the Nobel Prize address delivered before the Royal Swedish Academy of Sciences at Stockholm, 2 June, 1920.
Author: Max Planck (1858-1947)
Translators: Hans Thacher Clarke and Ludwick Silberstein.
Language: English.
Publication date: 1922.
Topics: Quantum theory.
Original Publisher: Oxford, The Clarendon press.
Kindle Publisher: TooMany Books.
Status: Public Domain in the United States.

About Max Planck
Max Karl Ernst Ludwig Planck was a German theoretical physicist who originated quantum theory, which won him the Nobel Prize in Physics in 1918.
Planck made many contributions to theoretical physics, but his fame rests primarily on his role as originator of the quantum theory. This theory revolutionized human understanding of atomic and subatomic processes, just as Albert Einstein’s theory of relativity revolutionized the understanding of space and time. Together they constitute the fundamental theories of 20th-century physics.

About Quantum Theory
The old quantum theory is a collection of results from the years 1900�1925 which predate modern quantum mechanics. The theory was never complete or self-consistent, but was a set of heuristic prescriptions which are now understood to be the first quantum corrections to classical mechanics. The Bohr model was the focus of study, and Arnold Sommerfeld made a crucial contribution by quantizing the z-component of the angular momentum, which in the old quantum era was called space quantization (Richtungsquantelung). This allowed the orbits of the electron to be ellipses instead of circles, and introduced the concept of quantum degeneracy. The theory would have correctly explained the Zeeman effect, except for the issue of electron spin. (Source: Wikipedia).

58 pages, Kindle Edition

First published May 1, 2009

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Max Planck

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Max Karl Ernst Ludwig Planck was a German theoretical physicist who originated quantum theory, which won him the Nobel Prize in Physics in 1918.

Planck made many contributions to theoretical physics, but his fame rests primarily on his role as originator of the quantum theory. This theory revolutionized human understanding of atomic and subatomic processes, just as Albert Einstein’s theory of relativity revolutionized the understanding of space and time. Together they constitute the fundamental theories of 20th-century physics.

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3,363 reviews82 followers
October 31, 2019
Archaic physics of the latter Dark Ages. Determinism still reins in a fairyland of laws, waves, constants and fields. But at least Maxwell's electromagnetic radiation theory and consequently "the classical theory of interference phenomena" is trashed.
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