The need to properly feed soldiers during long campaigns outside the country, such as in the Napoleonic Wars, and to nourish a constantly growing population often living in appalling conditions drove scientific research, but a confectioner, Nicolas Appert, in 1795 developed through experimentation a method which became universal and in one language bears his name: airtight storage, called  in French.
The need to provide sustenance to soldiers during protracted campaigns, such as those in the Napoleonic Wars, and to nourish a burgeoning population residing in deplorable conditions spurred scientific inquiry, but a confectioner, Nicolas Appert, in 1795 developed through experimentation a method that became universal and is known by his name: airtight storage, termed "l'air-tight" in French.