Jean-Baptiste Biot

Jean-Baptiste Biot was a French physicist, astronomer, and mathematician who co-discovered the Biot–Savart law of magnetostatics with Félix Savart, established the reality of meteorites, made an early balloon flight, and studied the polarization of light.

21 April 1774

Born on the same birth day (21 April): Andie MacDowell • Angela Mortimer • Ben Zinn • David Boren • Ebiet G. Ade • Elaine May • John Law (economist) • Marco Antonio Bragadin • Percy Williams Bridgman • Roger Doucet • Shivaji Satam • Slide Hampton • Souleymane Cissé (film director) • Tatu Kolehmainen • Vincent Scotto • Virginie Basselot

Born in the same month (April 1774): Christian Leopold von Buch