Félix Savart

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Félix Savart (June 30, 1791-March 16, 1841) became a professor at Collège de France in 1836 and was the co-originator of the Biot-Savart Law, along with Jean-Baptiste Biot. Together, they worked on the theory of magnetism and electrical currents. Their law was developed about 1820. The Biot-Savart Law relates magnetic fields to the currents which are their sources. Félix Savart also studied acoustics. He developed the Savart wheel which produces sound at specific graduated frequencies using rotating disks.

A musical unit used to describe the ratio in frequency between notes is named after Félix Savart. There are 301 (sometimes 300} savarts in an octave. The unit was defined by mathematician Joseph Sauveur (1653-1716) in 1696 as an eptaméride; 1/7th of a méride. In the 20th century the name of the unit was changed to "savart".

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