Paul Kruger offering "Dum-dum" pills to Queen Victoria. Colour lithograph by E. Ogé, ca. 1900. https://www.rawpixel.com/image/13968282/image-cartoon-person-artFree Image from public domain licenseThe Chemical Society, London: six past presidents, each in a roundel, head and shoulders. Process print, 1898. https://www.rawpixel.com/image/13985960/image-face-person-bookFree Image from public domain licenseSome Fellows of the Royal Society: a key to the identities of the sitters. Wood engraving, 1885. https://www.rawpixel.com/image/13985855/image-face-flower-personFree Image from public domain licenseSir Leander Jameson ill in bed being visited by Dr. Punch; representing Jameson's involvement with the disastrous Transvaal… https://www.rawpixel.com/image/13997946/image-paper-cartoon-faceFree Image from public domain license