Nobel Prize in Physics 1955

Willis Eugene Lamb

Photo from the Nobel Foundation archive.

Prize share: 1/2

Polykarp Kusch

Photo from the Nobel Foundation archive.

Prize share: 1/2

The Nobel Prize in Physics 1955 was divided equally between Willis Eugene Lamb "for his discoveries concerning the fine structure of the hydrogen spectrum" and Polykarp Kusch "for his precision determination of the magnetic moment of the electron"

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MLA style: The Nobel Prize in Physics 1955. NobelPrize.org. Nobel Prize Outreach 2026. Sat. 15 Aug 2026. <https://www.nobelprize.org/prizes/physics/1955/summary/>

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