Birth anniversary
Hans Geiger
Born on September 30, 1882
144
Years ago
145th anniversary next
The 145th anniversary falls on September 30, 2027, in 341 days.
Johannes "Hans" Wilhelm Geiger (30 September 1882 – 24 September 1945) 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.
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