The Simpson Channel (1896), vintage illustration by Henri de Toulouse-Lautrec. Original public domain image from Digital… https://www.rawpixel.com/image/11067773/image-face-person-artFree Image from public domain licenseA bishop wearing spectacles and a monk reading a book. Reproduction of a painting after Pisanello. https://www.rawpixel.com/image/13952425/image-face-person-bookFree Image from public domain licensePortraits of Giuliano and Francesco Giamberti da Sangallo (1482 - 1485) by Piero di Cosimo https://www.rawpixel.com/image/13741859/image-face-person-artFree Image from public domain licenseReal estate background, investment collage, green design https://www.rawpixel.com/image/11829608/real-estate-background-investment-collage-green-designView licenseThe Governors of the Guild of St Luke, Haarlem, 1675 (1675) by Jan de Bray https://www.rawpixel.com/image/13733193/the-governors-the-guild-luke-haarlem-1675-1675-jan-brayFree Image from public domain licenseBlack gradient textured background, from the Portrait of a Man painting by Jan Anthonisz. van Ravesteyn. Remixed by rawpixel. https://www.rawpixel.com/image/9832536/image-background-vintage-abstractView licenseBransby Blake Cooper, acquiring gold coins by his appointment to Guy's Hospital, is attacked by a lancet, representing the… https://www.rawpixel.com/image/13962819/image-cartoon-person-bookFree Image from public domain licenseOne of the portrait from the collection of portraits, Portraits of Actors, Often Playing Roles by Toyohara Kunichika (1835… https://www.rawpixel.com/image/426219/free-illustration-image-japanese-japan-samuraiFree Image from public domain licenseAlexander J. Cassatt (ca.1880) painting in high resolution by Mary Cassatt. Original from the Detroit Institute of Arts.… https://www.rawpixel.com/image/3590102/illustration-image-art-peopleFree Image from public domain licenseThree seated pearl divers in Ceylon, wearing nose clips. Halftone. https://www.rawpixel.com/image/13967130/three-seated-pearl-divers-ceylon-wearing-nose-clips-halftoneFree Image from public domain licenseA philosopher with a celestial globe. Oil painting, ca. 162-. https://www.rawpixel.com/image/13955730/philosopher-with-celestial-globe-oil-painting-ca-162Free Image from public domain licenseA chemical lecture at the Surrey Institution. Coloured etching by T. Rowlandson after his drawing, 1809. https://www.rawpixel.com/image/13965727/image-cartoon-face-personFree Image from public domain licenseA young man and two smaller children in Naples stand around the stall of a man selling macaroni, eating what he gives them.… https://www.rawpixel.com/image/13955326/image-dog-cartoon-faceFree Image from public domain licenseLouis Pasteur (left) watching a colleague trephining a chloroformed rabbit during his research on rabies vaccination. Wood… https://www.rawpixel.com/image/14003346/image-person-art-clothingFree Image from public domain licenseIn darkest Africa, or, The Quest, rescue, and retreat of Emin, governor of Equatoria / by Henry M. Stanley. https://www.rawpixel.com/image/13975702/image-face-person-artFree Image from public domain licenseFellows of the Royal College of Surgeons of England. Photogravure after H. Jamyn Brooks. https://www.rawpixel.com/image/13977442/image-person-book-artFree Image from public domain licenseA boy is accused of breaking a shop window while the real culprits hide behind a water pump. Engraving by H. Lemon after… https://www.rawpixel.com/image/13972157/image-dog-face-peopleFree Image from public domain license