Hippolyte Fizeau
French physicist
Armand Hippolyte Louis Fizeau FRS FRSE MIF 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. Wikipedia
Born: September 23, 1819, Paris, France
Died: September 18, 1896 (age 76 years), Venteuil, France
Awards: Rumford Medal (1866) and Fellow of the Royal Society (1875)
Parents: Béatrice Fizeau and Louis Fizeau
Spouse: Thérèse Valentine de Jussieu (m. 1853–1863)