You're likely thinking of Georg Simon Ohm, a German physicist who made significant contributions to the understanding of electricity. He is not known as "physicist Ohm," but rather as Georg Ohm, and his name is associated with Ohm's Law, a fundamental principle in electrical circuits.

Here's what you need to know about Georg Ohm:

* Born: 16 March 1789, Erlangen, Germany

* Died: 6 July 1854, Munich, Germany

* Contributions:

* Ohm's Law: This law states that the current through a conductor between two points is directly proportional to the voltage across the two points. It's represented by the equation: I = V/R, where I is current, V is voltage, and R is resistance.

* Research on electrical circuits: Ohm's experiments helped establish the relationship between voltage, current, and resistance in electrical circuits.

* Development of the galvanometer: He made improvements to the galvanometer, an instrument for measuring electric current.

His legacy:

* The unit of electrical resistance is named after him: The ohm (Ω) is the standard unit of electrical resistance in the International System of Units (SI).

* His work is fundamental to electrical engineering: Ohm's law is a cornerstone of electrical engineering, used in countless applications to design and analyze electrical circuits.

Let me know if you'd like to learn more about Georg Ohm or Ohm's Law!