Joseph von Fraunhofer

Joseph von Fraunhofer in Munich (BY), Germany † 1826

Joseph Ritter von Fraunhofer was a German physicist. He is known for discovering the dark absorption lines known as Fraunhofer lines in the Sun's s...

Joseph Ritter von Fraunhofer was a German physicist. He is known for discovering the dark absorption lines known as Fraunhofer lines in the Sun's spectrum, and for making excellent optical glass and achromatic telescope objectives.

https://en.wikipedia.org/wiki/Joseph_von_Fraunhofer

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