University of Maryland
University of Maryland: Optics Highlights: Wave Optics
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of how scientists came to believe in the wave nature of light. Includes a short biographical sketch and discusses the work of Thomas Young...
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.