Through hisefforts, telescopes and prisms of amazing clarity were created. His work set the stage for the development of spectroscopy. The city of munich marked the occasion by giving him relief from paying city taxes. Though he received very little in the way of formal schooling, he dedicatedhis life to creating optical instruments of unsurpassed quality. Fraunhofer was elected a full member of the academy of sciences. The preceding unsigned comment was added by pboudreau talk contribs 02. At the age of twelve he lost both parents and was apprenticed to a mirrormaker and lensgrinder for six years without pay. He also was the first to use extensively the diffraction grating, a device that disperses light more effectively than a prism does. His father and grandfather were both master artisans of glassmaking. He worked making glass objects for a man called philipp anton weichelsberger. When he was 11 years old he had no father and no mother. The king of bavaria made him a knight of the order of civilian service, thus raising him in status to one of the nobility. Documentary, history episode aired 10 march 2012 season 1 episode 3. His mothers side of the family contained a line of glassmakers dating back to the early seventeenth century 4.
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