Henri Braconnot, 1780 -1855. French chemist and pharmacist. From Les Merveilles de la Science, published c. 1870

Joseph Louis Gay-Lussac aka Louis Joseph Gay-Lussac, 1778 1850. French chemist and physicist. From Les Merveilles de la Science, published 1870.

Eugne-Melchior Pligot, 1811 - 1890, aka Eugne Pligot. French chemist. From Les Merveilles de la Science, published c. 1870

Antoine Csar Becquerel, 1788 1878. French scientist and a pioneer in the study of electric and luminescent phenomena. From Les Merveilles de la Science, published 1870.

Paul Camille Denis, later von Denis, 1796 1872. French engineer and railway pioneer. From Les Merveilles de la Science, published 1870.

Marie Franois Xavier Bichat, 1771 1802. French anatomist and pathologist known as the father of histology. From Les Merveilles de la Science, published 1870.

Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet, 1743 1794, aka Nicolas de Condorcet. French philosopher, mathematician and early political scientist. From Les Merveilles de la Science, published c. 1870

James Watt in his Glasgow workshop. James Watt, 1736 -1819. Scottish inventor, mechanical engineer and chemist. From Les Merveilles de la Science, published 1870.

Claude-Franois-Dorothe, marquis de Jouffroy d'Abbans, 1751 1832. Naval architect, engineer, industrialist and French Freemason. From Les Merveilles de la Science, published 1870.

Dominique Franois Jean Arago, aka Franois Arago, 1786 1853. French mathematician, physicist, astronomer, freemason, supporter of the carbonari and politician. From Les Merveilles de la Science, published 1870.

Marie Jean Pierre Flourens, 1794 1867. French physiologist, founder of experimental brain science and a pioneer in anesthesia. From Les Merveilles de la Science, published c. 1870

The purported flight of French locksmith Jacob Besnier, with the aid of a self-designed flying apparatus, 1678. From Les Merveilles de la Science, published c. 1870

Louis Figuier, 1819 1894. French scientist and writer. From Les Merveilles de la Science, published 1870.