Christian Doppler
Christian Andreas Doppler 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.
29 November 1803
Born on the same birth date (29 November 1803): Gottfried Semper
Born on the same birth day (29 November): Bradley Hudson-Odoi • C. S. Lewis • Garry Shandling • Henry T. Yang • Jedediah Purdy • John Mayall • Julius Randle • Neal Broten • Nick Richards (basketball) • November 29
Born in the same month (November 1803): Gottfried Semper • Jacob Abbott • Theodore Dwight Weld