Caption:
(Raymond) Gaston Plante (1834-1889) French physicist who in 1859 invented the first accumulator or electric storage battery. It was a wet cell with two lead plates immersed in sulphuric acid, the electrolyte. Engraving from "Les Nouvelles Conquetes de la Science" by Louis Figuier (Paris, 1883). (Photo by: Universal History Archive/UIG via Getty Images)