Jean Sylvain Bailly, Mayor of Paris, French astronomer, mathematician, freemason and revolutionary, 1736-1793. In costume of depute aux Etats-generaux, 1789. Handcoloured lithograph from Le Bibliophile Jacob aka Paul Lacroix's Costumes Historiques de
Jean Sylvain Bailly French astronomer, writer and politician. Bailly... Nieuwsfoto's - Getty Images