Regnault, Henri Victor, a noted French physicist, born at Aix-la-Chapelle; from being a Paris shopman he rose to a professorship in Lyons; important discoveries in organic chemistry won him election to the Academy of Sciences in 1840; lectured in the “Collège de France and the École Polytechnique;” became director of the imperial porcelain manufactory of Sèvres; did notable work in physics and chemistry, and was awarded medals by the Royal Society of London (1810‒1878).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Regnault, Henri * Regnier, Mathurin