Fritz Reiche (July 4, 1883 – January 14, 1969) was a German physicist, a student of

Max Planck Max Karl Ernst Ludwig Planck (; ; 23 April 1858 – 4 October 1947) was a German Theoretical physics, theoretical physicist whose discovery of energy quantum, quanta won him the Nobel Prize in Physics in 1918. Planck made many substantial con ...

and a colleague of

Albert Einstein Albert Einstein (14 March 187918 April 1955) was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence f ...

, who was active in, and made important contributions to the early development of

quantum mechanics Quantum mechanics is the fundamental physical Scientific theory, theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. Reprinted, Addison-Wesley, 1989, It is ...

including co-authoring the Thomas-Reiche-Kuhn sum rule. Fritz Reiche was born in 1883 in

Berlin, Germany Berlin ( ; ) is the capital and largest city of Germany, by both area and population. With 3.7 million inhabitants, it has the highest population within its city limits of any city in the European Union. The city is also one of the states of ...

. In 1901 and 1902, he attended the

University of Munich The Ludwig Maximilian University of Munich (simply University of Munich, LMU or LMU Munich; ) is a public university, public research university in Munich, Bavaria, Germany. Originally established as the University of Ingolstadt in 1472 by Duke ...

, and from 1902 to 1907, he attended the

University of Berlin The Humboldt University of Berlin (, abbreviated HU Berlin) is a public research university in the central borough of Mitte in Berlin, Germany. The university was established by Frederick William III on the initiative of Wilhelm von Humbol ...

, where he received his PhD. From 1913 to 1920, as a privatdozent, he worked and taught under Planck in Berlin. Reiche published more than 55 scientific papers and books including ''The Quantum Theory''. He became a professor in 1921 at the University of Breslau but was dismissed from his academic position in 1933 due to being Jewish. Eventually, with the help of Ladenburg, Einstein, and the Emergency Committee in Aid of Displaced Foreign Scholars, Reiche emigrated to the United States with his family in 1941 and later went on to work with

NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...

and the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

on projects related to supersonic flow.

References

External links

search on author Fritz Reiche
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Archival collections

Fritz Reiche papers, 1907-1998, Niels Bohr Library & Archives
1883 births 1969 deaths 20th-century German physicists 20th-century American physicists Academic staff of the University of Breslau Jewish emigrants from Nazi Germany to the United States {{germany-physicist-stub