Eugen Goldstein (September 5, 1850 - December 25, 1930) was a German physicist. He was an early investigator of discharge tubes, the discoverer of anode rays, and is sometimes credited with the discovery of the proton.
Anode ray Hermann von Helmholtz Proton Gas-filled tube Johann Wilhelm Hittorf Berlin Observatory Weißensee Cemetery Julius Plücker Cathode ray Annalen der Physik Wilhelm Wien Gliwice Anode Electrode Fluorescence Mass spectrometry Germany Physicist Berlin Physics