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Benjamin Franklin
he created bifocal glasses and the iron furnace stove. A small contraption with a slide door which burns wood on a grat,this alows people to cook food and heat their homes at the same time -
Luigi Galvani
He discovered that the muscles of dead frogs twitched when struck by a spark. -
Alessandro Volta
created the first battery that produced a reliable, steady current of electricity -
John F Daniel
invented the daniel cell that used two electrolytes (copper and zinc sulphate) but it was less corosive than the volta cell -
William Robert Grove
He created the first fuel cell combining hydrogen and oxegan