University of St. Andrews (UK)
University of St. Andrews: Christian Doppler Biography
This site provides a complete biography of Christian Doppler (1803-1853 CE), founder of the Doppler principle of sound waves. Includes quotes from Doppler and those who knew him, as well as an outline of his scientific achievements.
National Earth Science Teachers Association
Windows to the Universe: Christian Doppler
A biographical sketch of Christian Doppler (1803-1853), the Austrian mathematician whose study on the dependence of pitch upon the relative speed of source and observer resulted in the Doppler effect.
University of St. Andrews (UK)
University of St. Andrews: Doppler Summary: Christian Andreas Doppler
This site is more than a dry listing of facts, dates, and birthplaces, as it describes stories from Doppler's boyhood and professional life that reveal the personality behind the man.
Bill Nye
Bill Nye: My How Time Flies
Try this at-home science experiment to learn about the Doppler Effect.