Joseph von Fraunhofer
Appearance
Joseph von Fraunhofer | |
---|---|
Born | 6 Mairch 1787 Straubing, Electorate o Bavarie |
Dee'd | 7 Juin 1826 Munich, German Confederation | (aged 39)
Joseph Ritter von Fraunhofer (6 Mairch 1787 – 7 Juin 1826) wis a German optician.
He is kent for discoverin the dark absorption lines kent as Fraunhofer lines in the Sun's spectrum, an for makkin excellent optical gless an achromatic telescope objectives.