What is Léon Foucault?
[[File:Foucault.jpg|thumb|250px|Léon Foucault (1819-1868)]] '''Jean-Bernard-Léon Foucault''' (born September 18, 1819, [[Paris]], France—died February 11, 1868, Paris), was a [[France|French]] [[physicist]]. He introduced and helped develop a way of measuring the absolute [[velocity of light]] with extreme accuracy. He provided experimental proof that the [[Earth]] rotates on its axis. Foucault was educated for the medical profession, but his interests turned to experimental physics. With [[Armand Fizeau]], he began a series of investigations of [[light]] and heat. {{bio-stub}} {{DEFAULTSORT:Foucault, Leon}} [[category:French physicists]] [[category:1819 births]] [[category:1868 deaths]] [[Category:Scientists from Paris]] [[Category:Burials at Montmartre Cemetery, Paris]]