François-César Le Tellier de Courtanvaux

François-César Le Tellier (Paris, 18 February 1718 – Paris, 7 July 1781), was the marquis of Courtanvaux, Count of Tonnerre, Duke of Doudeauville, and a French aristocrat, military officer, and scientist.

François-César Le Tellier de Courtanvaux

François-César Le Tellier (Paris, 18 February 1718 – Paris, 7 July 1781), was the marquis of Courtanvaux, Count of Tonnerre, Duke of Doudeauville, and a French aristocrat, military officer, and scientist.