Michael Faraday. Lithograph by W. Drummond, 1835, after E. U. Eddis. https://www.rawpixel.com/image/14009924/michael-faraday-lithograph-drummond-1835-after-eddisFree Image from public domain licenseMiles Partington. Soft-ground etching by W. Daniell after G. Dance, 1800. https://www.rawpixel.com/image/14016061/miles-partington-soft-ground-etching-daniell-after-dance-1800Free Image from public domain licenseDominique François Arago. Engraving by C. Cook after A. Claudet, 1854. https://www.rawpixel.com/image/14005821/dominique-francois-arago-engraving-cook-after-claudet-1854Free Image from public domain licenseGilbert Knowles. Mezzotint by J. Faber, 1724, after T. Murray. https://www.rawpixel.com/image/13983249/gilbert-knowles-mezzotint-faber-1724-after-murrayFree Image from public domain licenseClaude François Lallemand. Lithograph by A. Maurin, 1836, after Gudin. https://www.rawpixel.com/image/14018512/claude-francois-lallemand-lithograph-maurin-1836-after-gudinFree Image from public domain licenseMiguel A. Otero by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14316681/miguel-otero-james-earle-mcclees-and-julian-vannersonFree Image from public domain licensePortret van Victor Hugo (1890 - 1900) by anonymous, Dorfer and G Bataille https://www.rawpixel.com/image/13757655/portret-van-victor-hugo-1890-1900-anonymous-dorfer-and-batailleFree Image from public domain license"Compassion" from le Brun, Heads. Representing the various passions of the soul..., circa 1760 https://www.rawpixel.com/image/13993878/image-paper-cartoon-faceFree Image from public domain licenseUnidentified man with a bushy moustache, seated by Harvey R Marks https://www.rawpixel.com/image/14307312/unidentified-man-with-bushy-moustache-seated-harvey-marksFree Image from public domain licenseThe Scout Statue, Kansas City, Missouri. Free public domain CC0 image. https://www.rawpixel.com/image/6202478/photo-image-public-domain-nature-mountainFree Image from public domain licenseSir David Brewster. Engraving by D. J. Pound, 1861, after J. Watkins. https://www.rawpixel.com/image/14003795/sir-david-brewster-engraving-pound-1861-after-watkinsFree Image from public domain licenseRt. Revd. Henry Philpott, D.D. Lord Bishop of Worcester - patron of 91 Livings - Ense(---illeg.) 1861. Graduate 1829. by… https://www.rawpixel.com/image/14308693/photo-image-face-person-clothingFree Image from public domain licenseOnbekende Japanse vrouw op de rug gezien (1885) by anonymous https://www.rawpixel.com/image/13760585/onbekende-japanse-vrouw-rug-gezien-1885-anonymousFree Image from public domain licenseAttitudes Passionnelles Moquerie by Paul Marie Léon Regnard https://www.rawpixel.com/image/14315031/attitudes-passionnelles-moquerie-paul-marie-leon-regnardFree Image from public domain licenseSir Charles Scott Sherrington. Process print by Walter Thomas. https://www.rawpixel.com/image/13983663/sir-charles-scott-sherrington-process-print-walter-thomasFree Image from public domain licenseSaint Thomas. Engraving after M.A. Raimondi after Raphael. https://www.rawpixel.com/image/14016962/saint-thomas-engraving-after-ma-raimondi-after-raphaelFree Image from public domain licenseA man wearing a long coat and carrying hat and walking stick is pointing towards a group of less well-dressed men. Wood… https://www.rawpixel.com/image/14007241/image-cartoon-person-artFree Image from public domain licenseMr. Willem Bilderdijk na zijn dood (1831) by Gerrit Jan Michaëlis https://www.rawpixel.com/image/13735618/mr-willem-bilderdijk-zijn-dood-1831-gerrit-jan-michaelisFree Image from public domain licensePortrait of a Girl Reading a Book (c. 1630 - 1635) by Gerard ter Borch I https://www.rawpixel.com/image/13788653/portrait-girl-reading-book-c-1630-1635-gerard-ter-borchFree Image from public domain licenseA couple sitting at a table: the man holds a glass in one hand, with the other he holds the woman's hand which is resting on… https://www.rawpixel.com/image/13975034/image-face-hand-personFree Image from public domain licenseGerard Carter. March 1875. Aged 20 months]/[Little child standing on a chair, holding a carved horse on a table by Hennah… https://www.rawpixel.com/image/14305133/photo-image-cat-horse-faceFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child and Saint John the Baptist. Engraving by L. Errani after G.… https://www.rawpixel.com/image/13987825/image-face-jesus-christ-personFree Image from public domain licenseAlfred B. Greenwood by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14316624/alfred-greenwood-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseSir Frederick Gowland Hopkins. Photograph by J. Palmer Clarke. https://www.rawpixel.com/image/13991081/sir-frederick-gowland-hopkins-photograph-palmer-clarkeFree Image from public domain licenseMoritz Wilhelm Mueller. Lithograph by G. Schlick after himself. https://www.rawpixel.com/image/13973476/moritz-wilhelm-mueller-lithograph-schlick-after-himselfFree Image from public domain licenseIsaac Dalby. Stipple engraving by J. Thomson, 1827, after W. Derby after J. J. Halls, 1817. https://www.rawpixel.com/image/14019118/image-cartoon-face-personFree Image from public domain licenseCourt House. Chambersburg, Franklin Co., PA. by Charles Eugene Meyer and Robert Newell https://www.rawpixel.com/image/14274153/image-plant-person-treeFree Image from public domain licenseSaint Mary (the Blessed Virgin) and Saint Joseph with the Christ Child. Lithograph by F. Piloty after Sir A. van Dyck. https://www.rawpixel.com/image/14017267/image-face-christ-personFree Image from public domain licenseRené Descartes. Line engraving by E. Desrochers after F. Hals, 1649. https://www.rawpixel.com/image/14018456/rene-descartes-line-engraving-desrochers-after-hals-1649Free Image from public domain licenseDrie mensen bij een opstelling met een kijkpunt op een blokje (c. 1975 - c. 1976) by Rijksmuseum Afdeling Beeld https://www.rawpixel.com/image/13753983/photo-image-face-people-clothingFree Image from public domain licenseSiam [Thailand]. Photograph, 1981, from a negative by John Thomson, 1866. https://www.rawpixel.com/image/13978405/siam-thailand-photograph-1981-from-negative-john-thomson-1866Free Image from public domain licenseAlexander Small. Mezzotint by J. Faber, junior, after B. Dandridge. https://www.rawpixel.com/image/14003680/alexander-small-mezzotint-faber-junior-after-dandridgeFree Image from public domain licenseJohn Bird. Stipple engraving by C. Knight, 1825, after Fowler. https://www.rawpixel.com/image/14001387/john-bird-stipple-engraving-knight-1825-after-fowlerFree Image from public domain licenseShuster , Iran: doorway of a shop with two older men in turbans seated next to baskets of produce. Photograph, 1910/1920 . https://www.rawpixel.com/image/13978229/photo-image-face-person-clothingFree Image from public domain licenseTimothy Davis by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14317804/timothy-davis-james-earle-mcclees-and-julian-vannersonFree Image from public domain license