François Arago (1786–1853)

Born 1786 CE, died 1853 CE.

Dominique François Jean Arago (Catalan: Domènec Francesc Joan Aragó), known simply as François Arago (French: [fʁɑ̃swa aʁaɡo]; Catalan: Francesc Aragó, IPA: [fɾənˈsɛsk əɾəˈɣo]; 26 February 1786 – 2 October 1853), was a French mathematician, physicist, astronomer, freemason, supporter of the Carbonari revolutionaries, and politician. In physics, he is known for helping establishing the wave theory of light. The Arago spot, an important experiment in optics that demonstrated this phenomenon, is named after him.

Text from the Wikipedia article François_Arago, licensed CC BY-SA 4.0.

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