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Gustav Robert Kirchhoff
(March
12, 1824 – October 17, 1887)
German Physicist
Robert Wilhelm Eberhard Bunsen
(March 31, 1811 – August 16,1899)
German Chemist
Bunsen and Kirchhoff further developed the
spectroscope by incorporating the Bunsen burner as a source to heat the
elements. In 1861, experiments by Kirchhoff
and Bunsen demonstrated that each element, when heated to incandescence, gave off a
characteristic color of light. When the light
was separated into its constituent wavelengths by a prism, each element
displayed a unique pattern or emission spectrum.
1855-1860 - Gustav Kirchhoff and Robert Bunsen