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Joseph von Fraunhofer

1910 New Catholic Dictionary

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Dictionaries
1910 New Catholic Dictionary
• Joseph von Fraunhofer
• Fraunhofer, Joseph von
Encyclopedias
1911 Encyclopedia Britannica
• Joseph von Fraunhofer
The Nuttall Encyclopedia
• Fraunhofer, Joseph von
The Catholic Encyclopedia
• Joseph von Fraunhofer

Catholic scientist and physicist. Born Straubing, Bavaria, 1787; died Munich, Germany, 1826. At the age of twelve he became an apprentice to a lens-grinder, working six years without pay. By his unaided efforts he rose to be professor royal in the Munich optical institute, 1819. His fame rests chiefly on his initiation of spectrum analysis, the discovery of the Fraunhofer lines in the solar spectrum and his establishing of the laws of diffraction.