Matches in DBpedia 2016-04 for { ?s ?p "Joseph Fraunhofer (6 March 1787 – 7 June 1826), ennobled in 1824 as Ritter von Fraunhofer, was a German optician.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."@en }
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- Joseph_von_Fraunhofer abstract "Joseph Fraunhofer (6 March 1787 – 7 June 1826), ennobled in 1824 as Ritter von Fraunhofer, was a German optician.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.".
- Q43948 abstract "Joseph Fraunhofer (6 March 1787 – 7 June 1826), ennobled in 1824 as Ritter von Fraunhofer, was a German optician.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.".
- Joseph_von_Fraunhofer comment "Joseph Fraunhofer (6 March 1787 – 7 June 1826), ennobled in 1824 as Ritter von Fraunhofer, was a German optician.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.".
- Q43948 comment "Joseph Fraunhofer (6 March 1787 – 7 June 1826), ennobled in 1824 as Ritter von Fraunhofer, was a German optician.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.".