Christian Dopplerr (1803–1853)

Born 1803 CE, died 1853 CE.

Christian Andreas Doppler (; German: [ˈdɔplɐ] ; 29 November 1803 – 17 March 1853) was an Austrian mathematician and physicist. He formulated the principle – now known as the Doppler effect – that the observed frequency of a wave depends on the relative speed of the source and the observer.

Text from the Wikipedia article Christian_Doppler, licensed CC BY-SA 4.0.

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Christian Dopplerr (1803–1853)

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