Born Nov. 29, 1803, in Salzburg, Austria, Christian Doppler studied mathematics, physics, and astronomy at the University of Vienna. After struggling to secure an academic post and working as a bookkeeper in a cotton factory for a year and a half, Doppler took a position as secondary school teacher in Prague in 1835. He went on to become a professor, published over 50 papers, and in 1850 was appointed the first director of the Institute of Physics in Vienna. Unfortunately, he died relatively young, in 1853, most likely of tuberculosis.
Doppler’s most famous paper was published in 1842, and introduced what would become known as the Doppler Effect. Its principles of wavelength changes explain the concepts of redshift and blueshift, which are still widely used today to analyze the movement and speed of stars.
