Dominique François Jean

Family name	Arago
Given name(s)	Dominique François Jean
Alternate name(s) / title(s)	Domènec Francesc Joan Aragó
Gender	Male
Short description	French mathematician, physicist, astronomer and politician. François Arago contributed to major discoveries concerning electromagnetism, light polarisation and velocity, the meridian arc length of the earth, and the standardisation of the metric system. From 1830 he was director of the Paris Observatory. Arago also served several roles in government, including a short period as the prime minister of France.
Person role	Politician researcher
Birth date	February 26, 1786
Country of birth	France
Death date	October 2, 183
Country of death	France