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Hans Geiger, German physicist and academic, co-invented the Geiger counter (born 1882)

Historical image related to Hans Geiger, German physicist and academic, co-invented the Geiger counter (born 1882) from September 24, 1945

Hans Geiger

German nuclear physicist (1882–1945)

Johannes Wilhelm Geiger was a German nuclear 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…
Source: Wikipedia (CC BY-SA)

Geiger counter

Instrument used for measuring ionizing radiation

A Geiger counter is an electronic instrument for detecting and measuring ionizing radiation with the use of a Geiger–Müller tube. It is widely used in applications such as radiation dosimetry, radiological protection, experimental physics and the nuclear industry.
Source: Wikipedia (CC BY-SA)