Pieter van Musschenbroek 1692 - 1761

born in:
Leiden, South Holland, Netherlands

He discovered "capacitance" by inventing the Leyden jar, a device that stored electric charge, was constructed by placing water in a metal container suspended by insulating silk cords, and placing a brass wire through a cork into the water. The same device was invented independently by von Kleist at about the same time, but not published