Joseph von Fraunhofer
1787 – 1826 · aged 39
Bavarian physicist and optical lens manufacturer
- Born
- 6 Mar 1787 · Straubing
- Died
- 7 Jun 1826 · Munich
Life timeline
Their life from birth to death. On the timeline, world events of the time are shown faintly.
- 6 Mar 1787BornBorn in Straubing
- 1824RoleProfessor
- 7 Jun 1826DiedDied in Munich
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Meanwhile in the world
Major world events during their lifetime (1787 – 1826).
- 1789 – 1799French Revolution
- 1812 – 1815War of 1812
- 1814 – 1815Congress of Vienna
Biography
Joseph Ritter von Fraunhofer (German: [ˈfraʊnˌhoːfɐ]; 6 March 1787 – 7 June 1826) was a German physicist and optical lens manufacturer. He made optical glass, an achromatic telescope, and objective lenses. He developed diffraction gratings and also invented the spectroscope. In 1814, he discovered and studied the dark absorption lines in the spectrum of the sun now known as Fraunhofer lines.
The German research organization Fraunhofer Society, which is Europe's biggest Society for the advancement of applied research, is named after him. Fraunhofer lines are used in astronomy to determine the composition of celestial bodies. His epitaph reads Aproximavit sidera, Latin for 'He brought closer the stars.'
Text from the Wikipedia article Joseph von Fraunhofer, CC BY-SA 4.0
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