Who discovered the electron? In this respect there is a complete cacophony. Some historians of science discovery of the electron associated with the names of the Lorentz and P. Zeeman, others attribute it to E. Wiechert, others - other researchers, the majority insists on the priority of Joseph John Thomson, or the great Dzhi- Ji, as it is otherwise referred to in the scientific world. Even the largest authority, closely involved in the problems of atomic physics, are in utter confusion, to whom belongs the honor of the discoverer? The outstanding theoretical physicist Niels Bohr convinced priority F.E.A.Lenarda and unmatched experimental physicist Ernest Rutherford - F.Kaufmana.