Saint John the Baptist as a child holding a cross, with a lamb, in the wilderness. Etching by W. Unger after B.E. Murillo. https://www.rawpixel.com/image/13983176/image-face-person-crossFree Image from public domain licenseIvan Petrovitch Pavlov. Photograph after a photograph taken in 1934. https://www.rawpixel.com/image/14018929/ivan-petrovitch-pavlov-photograph-after-photograph-taken-1934Free Image from public domain licenseÉlectro-Physiologie Photographique, Figure 44 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14312411/image-face-person-artFree Image from public domain licensePortret van Sjoerd Anne Vening Meinesz (1898) by Hendrik Johannes Haverman https://www.rawpixel.com/image/13793132/portret-van-sjoerd-anne-vening-meinesz-1898-hendrik-johannes-havermanFree Image from public domain licensePortret van Vandermersch (1771 - 1847) by Jacques Louis Bance and Jacques Louis Bance https://www.rawpixel.com/image/13769459/image-paper-cartoon-faceFree Image from public domain licenseNicolas Bion. Line engraving by N. de Larmessin IV (also numbered III). https://www.rawpixel.com/image/14002178/nicolas-bion-line-engraving-larmessin-also-numbered-iiiFree Image from public domain licenseSuccessful Primary Excision of four inches of the Upper Third of the Shaft of the Right Humerus for Gunshot Fracture by… https://www.rawpixel.com/image/14313634/image-face-hands-personFree Image from public domain licenseGuillaume Benjamin Amand Duchenne de Boulogne. Process print. https://www.rawpixel.com/image/13971749/guillaume-benjamin-amand-duchenne-boulogne-process-printFree Image from public domain licensePortret van Pieter Sijthoff, resident van Semarang, met een onbekende bediende met pajong (1904) by Charls and Co https://www.rawpixel.com/image/13760399/photo-image-face-person-clothingFree Image from public domain licenseHenry Mounteney Wellcome in army uniform. Photograph by Thorneycroft, 1945. https://www.rawpixel.com/image/14011696/henry-mounteney-wellcome-army-uniform-photograph-thorneycroft-1945Free Image from public domain licenseNiels Nielsen Bask by Prince Roland Napoleon Bonaparte and G Roche https://www.rawpixel.com/image/14311121/niels-nielsen-bask-prince-roland-napoleon-bonaparte-and-rocheFree Image from public domain licenseBelgische schutter, 1830 (1830 - 1831) by Claudio Linati, Frères Fietta and Antoine Dewasme Plétinckx https://www.rawpixel.com/image/13781772/image-paper-cartoon-faceFree Image from public domain licenseGuillaume Dupuytren, Dominique-Jean Larrey, and Nicolas-René-Dufriche Desgenettes, with an allegorical surround. Engraving… https://www.rawpixel.com/image/13982237/image-cartoon-face-personFree Image from public domain licensePortrait of a man with a cigar and top hat by Jakob Höflinger https://www.rawpixel.com/image/14316158/portrait-man-with-cigar-and-top-hat-jakob-hoflingerFree Image from public domain licenseDon Juan van Oostenrijk (1547-1578). Landvoogd der Nederlanden (1560 - 1580) by anonymous https://www.rawpixel.com/image/13792814/image-face-person-artFree Image from public domain licenseRené Lordereau, vaudevilliste by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14272133/rene-lordereau-vaudevilliste-nadar-gaspard-felix-tournachonFree Image from public domain licenseGuy de Chauliac. Stipple engraving by A. Tardieu after himself. https://www.rawpixel.com/image/14010606/guy-chauliac-stipple-engraving-tardieu-after-himselfFree Image from public domain licenseCharles Lucien Jules Laurent Bonaparte, Prince de Canino. Pencil drawing by C. E. Liverati, 1841. https://www.rawpixel.com/image/13973029/image-paper-cartoon-faceFree Image from public domain licenseA paratrooper assigned to Baker Company, 3rd Battalion, 509th Parachute Infantry Regiment, 4th Infantry Brigade Combat Team… https://www.rawpixel.com/image/4035285/photo-image-public-domain-photographyFree Image from public domain licenseChaim Weizmann, eerste president Israel (1949) by International News Photos https://www.rawpixel.com/image/13756315/chaim-weizmann-eerste-president-israel-1949-international-news-photosFree Image from public domain licenseBernard le Bovier de Fontanelle. Line engraving by T. Cook after P. Savart. https://www.rawpixel.com/image/14007975/bernard-bovier-fontanelle-line-engraving-cook-after-savartFree Image from public domain licenseA soldier returns and is greeted with great affection by his wife and child. Stipple engraving by L. Darcis after J.B.… https://www.rawpixel.com/image/13981112/image-face-person-artFree Image from public domain licenseArtillery pieces and ammunition, West Point by George Kendall Warren https://www.rawpixel.com/image/14318185/artillery-pieces-and-ammunition-west-point-george-kendall-warrenFree Image from public domain licenseÉlectro-Physiologie Photographique, Figure 30 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14311590/image-face-person-artFree Image from public domain licenseA mathematician standing before a blackboard, on which he has drawn a diagram. Engraving by I.S. Klauber after Le Fort after… https://www.rawpixel.com/image/13984139/image-face-person-artFree Image from public domain licenseSir Joscelyn Coghill and Lady Coghill by Sir John Joscelyn Coghill https://www.rawpixel.com/image/14319776/sir-joscelyn-coghill-and-lady-coghill-sir-john-joscelyn-coghillFree Image from public domain licensePortrait of a Man in Black Striped Suit by Louis Fleckenstein https://www.rawpixel.com/image/14255298/portrait-man-black-striped-suit-louis-fleckensteinFree Image from public domain licenseThomas Charles Hope. Mezzotint by T. Hodgetts after H. Raeburn. https://www.rawpixel.com/image/13995714/thomas-charles-hope-mezzotint-hodgetts-after-raeburnFree Image from public domain licenseFranz Xaver, Ritter von Rudtorffer. Stipple engraving by D. Weiss after K. J. A. Agricola. https://www.rawpixel.com/image/14007375/image-paper-face-personFree Image from public domain licenseA tooth-drawer extracting a tooth from a patient who is seated on a stool. Coloured stipple engraving by J. Gillray, 1796. https://www.rawpixel.com/image/13961510/image-cartoon-face-personFree Image from public domain licenseSamuel Thomas von Sömmering. Stipple engraving by A. Tardieu after C.W. Bender. https://www.rawpixel.com/image/13974471/samuel-thomas-von-sommering-stipple-engraving-tardieu-after-cw-benderFree Image from public domain licenseOld Trinity Church, Summer Street by Josiah Johnson Hawes https://www.rawpixel.com/image/14312891/old-trinity-church-summer-street-josiah-johnson-hawesFree Image from public domain license[Jacques] Crétineau-Joly by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14271622/jacques-cretineau-joly-nadar-gaspard-felix-tournachonFree Image from public domain licenseSiam [Thailand]. Photograph, 1981, from a negative by John Thomson, 1866. https://www.rawpixel.com/image/14006202/siam-thailand-photograph-1981-from-negative-john-thomson-1866Free Image from public domain licenseJean Conrad Escher de la Linth. Line engraving by A. Bouvier. https://www.rawpixel.com/image/13977000/jean-conrad-escher-linth-line-engraving-bouvierFree Image from public domain licenseSir John Franklin. Stipple engraving by D. J. Pound, 1860, after J.M. Negelen. https://www.rawpixel.com/image/13980821/sir-john-franklin-stipple-engraving-pound-1860-after-jm-negelenFree Image from public domain licenseThe circulatory system: dissection of the neck of a man, with arteries and blood vessels indicated in red. Coloured… https://www.rawpixel.com/image/14020361/image-cartoon-face-personFree Image from public domain licensePortrait of Pieter Boudaen Courten (1594-1668) (1619) by Salomon Mesdach https://www.rawpixel.com/image/13792456/portrait-pieter-boudaen-courten-1594-1668-1619-salomon-mesdachFree Image from public domain licenseSir Isaac Newton. Mezzotint after J. Smith, 1712, after Sir G. Kneller, 1702. https://www.rawpixel.com/image/14013887/sir-isaac-newton-mezzotint-after-smith-1712-after-sir-kneller-1702Free Image from public domain licensePieter van Musschenbroek. Line engraving by J. Houbraken, 1738, after J. M. Quinkhard, 1738. https://www.rawpixel.com/image/14005144/image-face-person-artFree Image from public domain licenseThe Eye at Pigeon Valley Goreme, Turkey. Free public domain travel CC0 photo. https://www.rawpixel.com/image/5922989/photo-image-public-domain-tree-skyFree Image from public domain licenseJoan van Hoorn (1653-1711). Gouverneur-generaal (1704-09) (1800 - 1950) by Cornelis de Bruyn https://www.rawpixel.com/image/13794874/image-face-person-artFree Image from public domain licenseTwee lachende jongens (1743 - 1800) by Pieter Louw and Frans Hals https://www.rawpixel.com/image/13779292/twee-lachende-jongens-1743-1800-pieter-louw-and-frans-halsFree Image from public domain licenseFrançois Nicolas Marquet. Line engraving by C.F. Nicole, 1763. https://www.rawpixel.com/image/13991293/francois-nicolas-marquet-line-engraving-cf-nicole-1763Free Image from public domain licenseJohann Georg Volckamer. Line engraving by L. Heckenauer after D. d'Savoye. https://www.rawpixel.com/image/14007050/johann-georg-volckamer-line-engraving-heckenauer-after-dsavoyeFree Image from public domain license