This jar used to store an electric charge is credited to both E.G. von Kleist & Pieter van Musschenbroek
The Leyden jar was the first means of storing an electric charge 
which then ... von Kleist, who made the first discovery and Dutch scientists Pieter 
van ... credited to the Leyden physics professor, Pieter van Musschenbroek who... [DOC] [TLE] The Leyden Jar - Code Check [PAR] The first device capable of storing an electric charge was the Leyden jar.