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 necessity of feeding soldiers during lengthy campaigns, like those during the Napoleonic Wars, and to nourish a growing population living in harsh conditions prompted scientific advancements, but confectioner Nicolas Appert, in 1795, developed through experimentation a method that became globally recognized as "airtight storage," or "l'air-tight" in French.