Portrait of Joseph-Louise Gay Lussac. Artist: Jules Boilly (French, Paris 1796-1874 Paris). Dimensions: Sheet: 14 3/16 x 10 9/16 in. (36 x 26.9 cm) Image: 5 7/8 ? 7 3/16 in. (15 ? 18.2 cm). Date: 1822. Museum: Metropolitan Museum of Art, New York, US