Leon Foucault

Leon Foucault

Born: September 18, 1819

Died: February 11, 1868

Nationality: French

Occupation: Inventor

Biography: Jean Bernard Léon Foucault was a French physicist best known for the invention of the Foucault pendulum, a device demonstrating the effect of the Earth's rotation. He also made an early measurement of the speed of light, discovered eddy currents, and although he didn't invent it, is credited with naming the gyroscope.