Linked from
The 22 pages that link to Gustav Kirchhoff, each with the reason it gives.
Atomic spectrumRelated: His experiments showed that elements produce characteristic spectral lines.
Solar spectrumRelated: His work connected solar dark lines to the elements absorbing light.
SpectroscopeRelated: Kirchhoff connected spectral lines to the elements emitting or absorbing light.
CaesiumRelated: His spectroscopic collaboration with Bunsen revealed caesium in mineral water.
Caesium iodideRelated: Kirchhoff’s collaboration with Bunsen led to the discovery of caesium.