Hippolyte Fizeau

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Figure

Domain

Science and technology

Knowledge cost

4

Influence

8

Resistance

5

In collections

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What Wikipedia says

Armand Hippolyte Louis Fizeau (French: [ipɔlit fizo]; 23 September 1819 – 18 September 1896) was a French physicist who, in 1849, measured the speed of light to within 5% accuracy. In 1851, he measured the speed of light in moving water in an experiment known as the Fizeau experiment.

Excerpt from the Wikipedia article “Hippolyte Fizeau”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Charles Reutlinger, b.1816, Public domain, via Wikimedia Commons.