CHT293688 Fan depicting Louis Claude Cadet de Gassicourt and his wife presenting their son to Louis XV and Queen Marie Leszczynska at Versailles (ivory and gouache on silk) by French School, (18th century); Private Collection; (add.info.: Louis Claude Cadet de Gassicourt (1731-99) was a French pharmacist and chemist; it is thought that his son Charles Louis Cadet de Gassicourt (1769-1821) was in reality the illegitimate son of Louis XV and Marie Therese Francoise Boisselet; this child was also a chemist and became pharmacist to Emperor Napoleon; he accompanied Napoleon in the 1809 campaign as his apothecary;); 穢 Archives Charmet; French, out of copyright.