Kirchhoff Gustav Robert Definition

kîrkôf, kîrKHhôf
German physicist noted for his research in spectrum analysis, optics, and electricity.
American Heritage
German chemist who with Robert Bunsen discovered the elements cesium and rubidium. He also investigated the solar spectrum and researched electrical circuits and the flow of currents. His electromagnetic theory of diffraction is still the most commonly used in optics.
American Heritage Science