File:Portrait of Count Jean-Antoine Chaptal by Antoine-Jean Gros, 1824 - Cleveland Museum of Art - DSC08816.JPG - Wikimedia Commons
Bildagentur | mauritius images | Jean-Antoine Claude,comte Chaptal de Chanteloup (June 4,1756-July 30,1832) was a French chemist and statesman.He established chemical works for the manufacture of the mineral acids,soda and other substances.In