Biography:Philipp Lenard: Difference between revisions
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{{Infobox scientist | {{Infobox scientist | ||
| name = Philipp Lenard | | name = Philipp Lenard | ||
Latest revision as of 23:03, 24 May 2026
| Philipp Lenard | |
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| Lenard in 1905 | |
| Born | 7 June 1862 Pressburg, Kingdom of Hungary, Austrian Empire |
| Died | 20 May 1947 Messelhausen, Allied-occupied Germany
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| Known for | Cathode rays; photoelectric effect |
| Awards | Nobel Prize in Physics (1905) |
Philipp Lenard (1862-1947) was a physicist known for experimental work on cathode rays and the photoelectric effect. He received the 1905 Nobel Prize in Physics.
Photoelectric effect
Lenard studied how light ejects electrons from metal surfaces and how the emitted electrons depend on light frequency and intensity. These experiments became central evidence for Albert Einstein's light-quantum explanation of the photoelectric effect.
Lenard's scientific work belongs to the experimental history of electrons, photons, and early quantum theory. His later political activity and support for Deutsche Physik are separate from the physical results.
Quantum Collection links
- Physics:Quantum photoelectric effect
- Physics:Quantum electron
- Physics:Quantum photon
- Physics:Quantum atoms/electron
References
- "Philipp Lenard - Biographical". Nobel Prize Outreach. https://www.nobelprize.org/prizes/physics/1905/lenard/biographical/.
- "Philipp Lenard". https://www.britannica.com/biography/Philipp-Lenard.
Author: Harold Foppele
