Hans Geiger

✶September 30, 1882

†September 24, 1945

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About their life

Johannes "Hans" Wilhelm Geiger was a German experimental physicist. He is known as the inventor of the Geiger counter, a device used to detect ionizing radiation, and for carrying out the Rutherford scattering experiments, which led to the discovery of the atomic nucleus. He also performed the Bothe–Geiger coincidence experiment, which confirmed the conservation of energy in light-particle interactions.

German physicist (1882–1945)

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Biography from the article Hans Geiger on the English Wikipedia, available under CC BY-SA 4.0.