Émile Henriot

Rarity: Common

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At a glance

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Domain

Science and technology

Knowledge cost

1

Influence

2

Resistance

2

In collections

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What Wikipedia says

Émile Henriot (English: ahn-REE-oh, French: [emil ɑ̃ʁjo]; 2 July 1885 – 1 February 1961) was a French chemist notable for being the first to show definitively that potassium and rubidium are naturally radioactive.

Excerpt from the Wikipedia article “Émile Henriot (chemist)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Anonymous ([1]), Public domain, via Wikimedia Commons.