Nikolaus Riehl
| Nikolaus Riehl | |
|---|---|
| Born | 24 May 1901 Saint Petersburg, Russian Empire |
| Died | 2 August 1990 (aged 89) Munich, Federal Republic of Germany |
| Residence | Germany |
| Nationality | German |
| Fields | Nuclear Chemistry |
| Institutions |
Auergesellschaft Technical University of Munich |
| Alma mater |
Saint Petersburg Polytechnical University Humboldt University of Berlin |
| Doctoral advisor |
Lise Meitner Otto Hahn |
| Known for |
German nuclear energy project Soviet atomic bomb project |
Nikolaus Riehl (24 May 1901 – 2 August 1990) was a German industrial physicist. He was head of the scientific headquarters of Auergesellschaft. When the Russians entered Berlin near the end of World War II, he was invited to the Soviet Union, where he stayed for 10 years. For his work on the Soviet atomic bomb project, he was awarded a Stalin Prize, Lenin Prize, and Order of the Red Banner of Labor. When he was repatriated to Germany in 1955, he chose to go to West Germany, where he joined Heinz Maier-Leibnitz on his nuclear reactor staff at Technische Hochschule München (THM); Riehl made contributions to the nuclear facility Forschungsreaktor München (FRM). In 1961 he became an ordinarius professor of technical physics at THM and concentrated his research activities on solid state physics, especially the physics of ice and the optical spectroscopy of solids.
Riehl was born in Saint Petersburg, Russia in 1901. His mother was Russian and his father was a professional German engineer employed by Siemens and Halske. With this background, Riehl spoke fluent German and Russian. From 1920 to 1927, he was educated at the Saint Petersburg Polytechnical University and Humboldt University of Berlin. He received his doctorate in nuclear chemistry from the University of Berlin in 1927, under the guidance of the nuclear physicist Lise Meitner and the nuclear chemist Otto Hahn; his thesis topic was on Geiger-Müller counters for beta ray spectroscopy.
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