Jean-Charles Perrinet d'Orval
Jean-Charles Perrinet d’Orval (1707, Sancerre – 5 May 1782, Paris) was a French chemical engineer and pyrotechnician. == Biography == Perrinet d'Orval was the son of Jean Perrinet d'Orval (1670–1729) and Madeleine Annes (died 1758).
Source: Wikipedia — Jean-Charles Perrinet d'Orval (CC BY-SA 4.0)