History of Georg Simon Ohm

Georg Simon Ohm (1789-1854) was a German physicist whose primary contribution to electricity is what is now known as Ohm’s Law which represents the analysis of electrical circuits.

In 1805, at the age of 15, Ohm entered the University of Erlangen. He remained there as both a student and then as professor until 1813. After a stint tutoring, his mathematics knowledge caught the eye of the Bavarian government who assigned him to various schools throughout Bamberg to teach. He became a professor of both mathematics and physics at Jesuit’s College at Cologne, which meant he could spend a lot of time on his physics research. Ohm joined the Polytechnic School of Nuremberg in 1833 and in 1852 became professor of experimental physics at the University of Munich until his death in 1854.

Ohm’s writings were published but were never considered to be of any monumental significance, with one exception. In 1827, he published his book Die galvanische Kette, mathematisch bearbeitet (The Galvanic Circuit Investigated Mathematically) which gave his complete theory of electrical circuits. Though it was received coldly at the time, it was proven in time to be accurate. Ohm had discovered that the distribution of electromotive force (voltage) in an electrical circuit was proportional to the rate of steady flow (amperage) times the level of resistance (which is now known as “Ohms”), which could be temperature or friction within the conductor.

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