> In 1795 the French military offered a cash prize of 12,000 francs for a new method to preserve food. After some 14 or 15 years of experiment, Appert submitted his invention and won the prize in January 1810 on condition that he make the method public
> In 1795 the French military offered a cash prize of 12,000 francs for a new method to preserve food. After some 14 or 15 years of experiment, Appert submitted his invention and won the prize in January 1810 on condition that he make the method public
https://en.wikipedia.org/wiki/Nicolas_Appert