XIR169101 Antoine Laurent Lavoisier (1743-94) explaining his analysis of air to his colleagues (bronze) (b/w photo) by Barrias, Louis Ernest (1841-1905); Place de la Madeleine, Paris, France; (add.info.: Lavoisier explaining air analysis before scientists Felix Vicq d\'Azir (1748-94), Guiton de Moreau, Gaspard Monge (1746-1818), Claude Louis Berthollet (1748-1822), Pierre Simon (1749-1827) Marquis de Laplace, Jean-Baptiste de Monet (1744-1829) Chevalier de Lamarck, Louis Joseph (1744-1829) 36-1813) Count Lagrange and Marie Jean Antoine de Caritat (1743-94) Marquis of Condorcet;); French, out of copyright.