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.
Hans Geiger, German physicist and academic, co-invented the Geiger counter (born 1882)
On September 24, in the year 1945, Hans Geiger, German physicist and academic, co-invented the Geiger counter (born 1882). This event is recorded as a Notable Deaths event in the history of September 24, a notable event in this corner of history.
1 notable person is associated with this event, including Hans Geiger. Learn more below.
Key Facts
- This event took place on September 24, 1945 (AD era).
- It is categorised as a Notable Deaths event in recorded history.
- Referenced in 2 Wikipedia articles.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 29 August 2026.
On This Date in History
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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