Nobel Prize in Physics 1909

Guglielmo Marconi

Photo: Rotary Photo, London. Nobel Foundation archive

Prize share: 1/2

Karl Ferdinand Braun

Photo from the Nobel Foundation archive.

Prize share: 1/2

The Nobel Prize in Physics 1909 was awarded jointly to Guglielmo Marconi and Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy"

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MLA style: The Nobel Prize in Physics 1909. NobelPrize.org. Nobel Prize Outreach 2026. Wed. 9 Sep 2026. <https://www.nobelprize.org/prizes/physics/1909/summary/>

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