Twelve French surgeons portrayed as pathological specimens in glass jars. Colour lithograph by A. Barrère, ca. 1910. https://www.rawpixel.com/image/13968973/image-cartoon-face-personFree Image from public domain licenseThree researchers outside the British experimental hut set up near Ostia to verify the mosquito-malaria theory. Coloured… https://www.rawpixel.com/image/13955164/image-cartoon-person-artFree Image from public domain license