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.
Wikimedia
Wikipedia: The Doppler Effect
This Wikipedia article on the Doppler effect provides an explanation on what it is, information on the first analyzation, and its use in the field of astronomy and radar detection.
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.
Curated OER
University of St Andrews: 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.