Jean Sylvain Bailly

Jean Sylvain Bailly
Jean Sylvain Bailly
	Portrait by Jean-Laurent Mosnier, 1789
Mayor of Paris
Preceded by	Jacques de Flesselles (Provost of the Merchants)
Succeeded by	Jérôme Pétion de Villeneuve
1st President of the National Constituent Assembly
	In office; 17 June 1789 – 3 July 1789
Preceded by	Office established
Succeeded by	Jean Georges Lefranc de Pompignan
Deputy of the Estates-General
	In office; 5 May 1789 – 9 July 1789
Constituency	Paris
Personal details
Born	15 September 1736; Paris, France
Died	12 November 1793 (aged 57); Paris, France
Cause of death	Guillotined
Political party	Patriotic (1790–1791)
Residence(s)	Paris (1736–1791); Nancy (1791–1793)
Alma mater	Academy of Sciences; French Academy
Profession	Astronomer, mathematician, politician
Signature

Jean Sylvain Bailly (French pronunciation: [ʒɑ̃ silvɛ̃ baji]; 15 September 1736 – 12 November 1793^[1]</ref>) was a French astronomer, mathematician, freemason,^[2]^[3] and political leader of the early part of the French Revolution. He presided over the Tennis Court Oath, served as the mayor of Paris from 1789 to 1791, and was ultimately guillotined during the Reign of Terror.

^ Chisholm 1911.
^ Cara, Monique; Cara, Jean-Marc; Jode, Marc (2011). Dictionnaire universel de la Franc-Maçonnerie (in French). Larousse. ISBN 9782035861368.
^ Pierrat, Emmanuel; Kupferman, Laurent (2013). Le Paris des Francs-Maçons (in French). Le Cherche Midi. ISBN 9782749131429.