Twelve doctors standing in test tubes. Colour lithograph by A. Barrère, ca. 1910.

Left to right: Fernand-Jules Bezançon; Emile-Charles Achard, with bowler hat and umbrella; Fernand-Georges Widal, holding kebab of kidneys; Auguste Louis César Prenant, holding microscope; Antoine Bernard Jean Marfan, holding two children with Marfan syndrome (Marfan's syndrome); Anatole Chauffard, holding chemical vessel; Paul Carnot, holding enema pump; A. Edouard Jeanselme, gaunt, seen in profile; Emile E.J. Sergent; Louis-Henri Vaquez, the describer of Vaquez-Osler syndrome, with stethoscope: Victor Balthazard, professor of legal medicine, holding revolver and noose: E. Marcel Labbé, holding forceps