Christian Doppler
From Wikipedia, the free encyclopedia.

Christian Andreas Doppler (November 29, 1803 - March 17, 1853) was an Austrian mathematician, most famous for the discovery of the Doppler effect which causes the frequency of a wave to apparently change as its source moves toward or away from you.

Resources:

• http://www-groups.dcs.st-andrews.ac.uk/~history/Mathematicians/Doppler.html - An online biography of Doppler

See also: Doppler effect

The original article can be found at: http://en.wikipedia.org/wiki/Christian_Doppler.
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