Christian Doppler
Christian Andreas Doppler was an Austrian mathematician and physicist. He is celebrated for his principle – known as the Doppler effect – that the observed frequency of a wave depends on the relative speed of the source and the observer. He used this concept to explain the color of binary stars.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
November 29th, 1803
Age
222
Birth Place
Austria, Salzburg
Date of Death
March 17th, 1853
Died Aged
49
Star Sign
Sagittarius
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