Heinrich Kayser facts for kids
Quick facts for kids
Heinrich Kayser
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| Born |
Heinrich Gustav Johannes Kayser
16 March 1853 |
| Died | 14 October 1940 (aged 87) |
| Citizenship | German |
| Alma mater | Sophie Gymnasium (Berlin) University of Strasbourg University of Berlin |
| Known for | Helium in the Earth's atmosphere, spectra, kayser unit |
| Awards | ForMemRS |
| Scientific career | |
| Fields | Physicist, Spectroscopy |
| Institutions | Technische Hochschule, Hannover University of Bonn |
| Doctoral advisor | Wilhelm Roentgen |
| Influences | Hermann von Helmholtz Gustav Kirchhoff Carl Runge |
Heinrich Gustav Johannes Kayser ForMemRS ( 16 March 1853 – 14 October 1940) was a German physicist and spectroscopist.
Biography
Kayser was born at Bingen am Rhein. Kayser's early work was concerned with the characteristics of acoustic waves. He discovered the occurrence of helium in the Earth's atmosphere in 1868 during a solar eclipse when he detected a new spectral line in the solar spectrum. In 1881 Kayser coined the word “adsorption”. Together with Carl Runge, he examined the spectra of chemical elements. In 1905, he wrote a paper on electron theory.
The kayser unit, associated with wavenumber, of the CGS system was named after him. He died at Bonn in 1940.
Works
- Lehrbuch der Physik für Studierende . Enke, Stuttgart 3rd ed. 1900 Digital edition by the University and State Library Düsseldorf
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