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Georg Simon Ohm

Georg Simon Ohm, 1789-1854, German physicist.

Ohm's most important discovery (of 1826) now bears his name: Ohm's Law describes the relationship between voltage, current, and resistance. (The unit of electrical resistance, the ohm, is named after him.) Ohm's importance was not recognized through most of his lifetime, but in 1852 he became professor of physics at the University of Munich.