Louis Bertrand Castel
= Louis Bertrand Castel
{wiki=Louis_Bertrand_Castel}
Louis Bertrand Castel (1688–1757) was a French priest, mathematician, and philosopher known for his notable contributions to the fields of optics and the theory of colors. He is often recognized for his work on the "Attraction of Clairaut," which dealt with the physical properties of color perception and the relationships between light and color.