Jean Baptiste Biot
Jean-Baptiste Biot (
April 21 1774,
Paris-
February 3 1862,
Paris) was a
French physicist and
mathematician who in the early
1800s studied the relationship between electrical current and magnetism (see
Biot-Savart's Law), as well as the polarisation of light passing through chemical solutions.
He was the first person to discover the optical difference of mica, and therefor the mineral biotite was named after him.
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