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Eugen Goldstein

Born: 5-Sep-1850
Birthplace: Gliwice, Poland
Died: 25-Dec-1930
Location of death: Berlin, Germany
Cause of death: unspecified
Remains: Buried, Weißensee Cemetery, Berlin, Germany

Gender: Male
Religion: Jewish
Race or Ethnicity: White
Occupation: Physicist

Nationality: Germany
Executive summary: Cathode rays

German physicist Eugen Goldstein studied under Hermann von Helmholtz, and coined the term "cathode rays", for the negatively-charged electrons discovered by Johann Hittorf, emitted when electric current is forced through a vacuum tube. He discovered anode rays (also called canal rays), the positively-charged particles formed when electrons are removed from the gas particles in a cathode-ray tube. He showed that cathode rays can cast shadows, then demonstrated how such rays are emitted, perpendicular to the cathode surface, and can be manipulated with magnetic fields. Goldstein's work suggested the presence of the proton -- a positively charged particle, later discovered by Ernest Rutherford.

    University: PhD, University of Wroclaw (1881)
    Scholar: University of Berlin
    Scholar: Berlin Observatory (1878-90)
    Scholar: Potsdam Observatory (1890-1927)
    Administrator: Director of Postdam Observatory (1927-30)

    Hughes Medal 1908

Author of books:
Eine neue Form elektrischer Abstossung (A New Form of Electrical Repulsion) (1880)
Canalstrahlen (Canal Rays) (1930)

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