A theory of Eugene Goldstein doesn't exist.
Physics
Proton Definition
Some of the pictures of Eugene Goldstein can be found by doing an internet search. They can also be found by visiting the Wikipedia page.
Eugen Goldstein is famous for discovering anode rays. Some also credit him with the discovery of the proton. He was a German physicist born in Poland in 1850.
Weißensee Cemetery.
Goldstein studied anode (canal rays) and contributed to the discovery of protons.
Chuck Goldstein was born in 1915.
Elayne Goldstein was born in 1934.
Doug Goldstein was born in 1971.
Mel Goldstein was born in 1945.
Amy Goldstein was born in 1958.