Andreas Conrad Bonn. Stipple engraving by L. Portman after L. Moritz. https://www.rawpixel.com/image/13985033/andreas-conrad-bonn-stipple-engraving-portman-after-moritzFree Image from public domain licensePietro Betti. Lithograph by L. Fiorucci after C. E. Liverati. https://www.rawpixel.com/image/13975883/pietro-betti-lithograph-fiorucci-after-liveratiFree Image from public domain licenseAmbroise Paré. Line engraving by E. Ficquet, 1765, after [W.]. https://www.rawpixel.com/image/13982343/ambroise-pare-line-engraving-ficquet-1765-after-wFree Image from public domain licenseDominique Léman. Stipple engraving by A. Tardieu, 1827, after himself. https://www.rawpixel.com/image/13983152/dominique-leman-stipple-engraving-tardieu-1827-after-himselfFree Image from public domain licensePhilipp Scherb, standing at a table with a book and flowers on it. Line engraving by W. P. Kilian, 1728. https://www.rawpixel.com/image/13983830/image-cartoon-face-flowersFree 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 licenseMurdoch Cameron. Photograph by T. & R. Annan & Sons Ltd, 1922. https://www.rawpixel.com/image/13993040/murdoch-cameron-photograph-annan-sons-ltd-1922Free Image from public domain licenseVictor Jacquemont. Line engraving by Ch. Bouvier after Mme. Mérimée. https://www.rawpixel.com/image/14017407/victor-jacquemont-line-engraving-ch-bouvier-after-mme-merimeeFree Image from public domain licenseSir John Leslie. Stipple engraving by H. Cook, 1847, after A. Chisholm. https://www.rawpixel.com/image/13978879/sir-john-leslie-stipple-engraving-cook-1847-after-chisholmFree Image from public domain licenseJohann Caspar Lavater. Etching by J. Schleuen after B. Rode. https://www.rawpixel.com/image/13985166/johann-caspar-lavater-etching-schleuen-after-rodeFree Image from public domain licenseFriedrich Heinrich Alexander von Humboldt. Line engraving by A. Krausse, 1814. https://www.rawpixel.com/image/13991838/friedrich-heinrich-alexander-von-humboldt-line-engraving-krausse-1814Free Image from public domain licenseAndrew Duncan. Line engraving by T. Trotter, 1784, after W. Weir. https://www.rawpixel.com/image/13999751/andrew-duncan-line-engraving-trotter-1784-after-weirFree Image from public domain licenseSir Thomas Barlow (1845-1945), physician to the King. Oil painting by Harry Herman Salomon after a photograph. https://www.rawpixel.com/image/13973626/photo-image-face-person-artFree Image from public domain licenseWilliam Cadogan. Mezzotint by W. Dickinson, 1772, after R. E. Pine, 1769. https://www.rawpixel.com/image/13994775/william-cadogan-mezzotint-dickinson-1772-after-pine-1769Free Image from public domain licenseJames Cook. Line engraving after Sir N. Dance-Holland, 1776. https://www.rawpixel.com/image/13993066/james-cook-line-engraving-after-sir-dance-holland-1776Free Image from public domain licenseJohn Smith, known as Buckhorse, a pugilist. Stipple engraving by R. Cooper, 1822, after D. Dodd. https://www.rawpixel.com/image/14007604/image-cartoon-face-peopleFree Image from public domain licenseArthur Wellesley, first Duke of Wellington. Mezzotint by W. Say, 1814, after T. Phillips. https://www.rawpixel.com/image/13990162/image-face-person-artFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim (Paracelsus). Line engraving by W. Marshall after J. Payne or P. van Sompel… https://www.rawpixel.com/image/13999811/image-cartoon-face-personFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim [Paracelsus]. Line engraving by T. de Bry. https://www.rawpixel.com/image/13974614/image-cartoon-face-personFree Image from public domain licenseCharles Robert Darwin. Photograph by Julia Margaret Cameron, 1868. https://www.rawpixel.com/image/13961815/charles-robert-darwin-photograph-julia-margaret-cameron-1868Free Image from public domain licenseFrancis Shillington-Scales. Photograph by J. Palmer Clarke. https://www.rawpixel.com/image/13964533/francis-shillington-scales-photograph-palmer-clarkeFree Image from public domain licenseAntoine Laurent Lavoisier. Stipple engraving by W. C. Sharpe after J. L. David. https://www.rawpixel.com/image/14017378/antoine-laurent-lavoisier-stipple-engraving-sharpe-after-davidFree Image from public domain licenseSir William Blizard. Lithograph by R. Martin after J. K. Meadows. https://www.rawpixel.com/image/13984207/sir-william-blizard-lithograph-martin-after-meadowsFree Image from public domain licenseFriedrich Ludwig Kreyssig. Line engraving by M. Steinla after J. von Grassi. https://www.rawpixel.com/image/14001251/friedrich-ludwig-kreyssig-line-engraving-steinla-after-von-grassiFree Image from public domain licenseVopiscus Fortunatus Plemp. Line engraving by T. Matham after J. de Backer. https://www.rawpixel.com/image/14001190/vopiscus-fortunatus-plemp-line-engraving-matham-after-backerFree Image from public domain licenseThéodore Tronchin. Line engraving by R. Gaillard, 1782, after J.E. Liotard. https://www.rawpixel.com/image/14010857/theodore-tronchin-line-engraving-gaillard-1782-after-je-liotardFree Image from public domain licenseJames Cook. Line engraving by C. Frosch after Sir N. Dance-Holland, 1776. https://www.rawpixel.com/image/13994901/james-cook-line-engraving-frosch-after-sir-dance-holland-1776Free Image from public domain licenseHappy man, long hair smiling face photography psd https://www.rawpixel.com/image/3933376/happy-man-long-hair-smiling-face-photography-psdView licenseJoshua Brookes. Line engraving by J. Fittler, 1818, after T. Phillips. https://www.rawpixel.com/image/13986810/joshua-brookes-line-engraving-fittler-1818-after-phillipsFree Image from public domain licenseWilliam Foster White. Line engraving by J. C. Armytage after J. P. Knight. https://www.rawpixel.com/image/13985928/william-foster-white-line-engraving-armytage-after-knightFree Image from public domain licenseSir George Henry Makins. Photogravure after Lafayette Ltd. https://www.rawpixel.com/image/13999335/sir-george-henry-makins-photogravure-after-lafayette-ltdFree Image from public domain licenseNicolas-René-Dufriche, Baron Desgenettes. Stipple engraving by A. Tardieu. https://www.rawpixel.com/image/13971686/nicolas-rene-dufriche-baron-desgenettes-stipple-engraving-tardieuFree Image from public domain licenseGiacomo Antonio Domenico Tommasini. Lithograph by Perrin. https://www.rawpixel.com/image/13989073/giacomo-antonio-domenico-tommasini-lithograph-perrinFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim [Paracelsus]. Line engraving by J. Payne after Q. Metsys. https://www.rawpixel.com/image/14014468/image-face-person-artFree Image from public domain licenseSir Morell Mackenzie. Coloured wood engraving by C. Housman, 1888. https://www.rawpixel.com/image/13978664/sir-morell-mackenzie-coloured-wood-engraving-housman-1888Free Image from public domain licenseSir John Hill. Mezzotint by R. Houston after F. Cotes, 1757. https://www.rawpixel.com/image/14011086/sir-john-hill-mezzotint-houston-after-cotes-1757Free Image from public domain license