Science · Technology · Art · 1819–1896

Hippolyte Fizeau

French physicist who first measured the speed of light on Earth

Did you know?He is one of the 72 scientists whose names are engraved on the Eiffel Tower in recognition of their contributions to science.

Armand Hippolyte Louis Fizeau (French:; 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.

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Age at death
76
Years since death
130

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