Chaptal, a distinguished French chemist and statesman, born at Nogaret, Lozère; author of inventions in connection with the manufacture of alum and saltpetre, the bleaching and the dyeing of cotton; held office under Napoleon, and rendered great service to the arts and manufactures of his country (1756‒1832).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Chappell * Charcot, Jean Martin