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The Life and Legacy of Joseph von Fraunhofer: Pioneer of Optical Science

Joseph von Fraunhofer, born on March 6, 1787, in Straubing, was the youngest of 11 children in a humble family. Tragically losing his parents at 12, he apprenticed as a mirror maker and lens grinder under tough conditions. After a life-changing encounter with King Max I, he was able to pursue his passion in optics. Fraunhofer contributed significantly to the development of optical glass and spectrum analysis, noting prominent spectral lines and creating diffraction gratings to measure wavelengths. He passed away on June 7, 1826, leaving behind a lasting legacy in optics.

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The Life and Legacy of Joseph von Fraunhofer: Pioneer of Optical Science

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  1. Joseph von Fraunhofer

  2. Fast Facts • Born 6 March 1787 in Straubing • Youngest of 11 children • Father was glass grinder • Both parents died when he was 12 • Went to do apprenticeship for mirror maker and lens grinder

  3. Apprentice • Worked for two years under harsh conditions • 21 July 1801, the house he worked in collapsed • Maximilian Joseph and Joseph Utzschneider were present • King Max I • Politician who retired to build optics

  4. Post-Rescue • Max gave him some money, he bought a glass cutting machine and grinder • Utzschneider gave him books and talked about optics • Continued to work for his old master for four more years • Worked for Georg Reichenbach and Utzschneider in Munich in 1806

  5. 1814 Utz and Fraunhofer went into business together making lenses • Fraunhofer calculated, designed and tested every instrument, and wrote the manuals • Died on 7 June 1826, buried in Munich

  6. Accomplishments • Development and improvement of optical glass • Spectrum analysis- light and dark lines • Measured a few hundred of the lines and labeled the more prominent ones A-Z • Built diffraction grating and used it to measure the wavelengths of specific colors

  7. http://www.hao.ucar.edu/public/education/sp/images/fraunhofer.htmlhttp://www.hao.ucar.edu/public/education/sp/images/fraunhofer.html • http://www.newadvent.org/cathen/06250a.htm • http://www.plicht.de/chris/35fraunh.htm

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