Gustav Robert Kirchhoff (12 March 1824 – 17 October 1887) was a German physicist, mathematican and chemist who contributed to the fundamental understanding of electrical circuits, spectroscopy and the emission of black-body radiation by heated objects.

Pioneering physicist in spectroscopy, circuits.

German physicist who with Bunsen pioneered spectrum analysis and formulated two laws governing electric networks (1824-1887)

Physicist known for spectroscopy, circuit laws.

Physicist known for circuit laws.

Jan Tilman Kirchhoff (born 1 October 1990) is a German former professional footballer who played as a centre-back or defensive midfielder.

Kirchhoff's integral theorem (sometimes referred to as the Fresnel–Kirchhoff integral theorem)G. Kirchhoff, Ann.