Auguste Ambroise Tardieu (French doctor and forensic scientist, 1818-1879) by Unknown https://www.rawpixel.com/image/9031724/image-person-man-clothingFree Image from public domain licenseSir Edward Albert Sharpey-Schafer. Photograph by Melhuish, c. 1878. https://www.rawpixel.com/image/14014281/sir-edward-albert-sharpey-schafer-photograph-melhuish-1878Free Image from public domain licenseGroup portrait of two men, New York by Charles DeForest Fredricks https://www.rawpixel.com/image/14318807/group-portrait-two-men-new-york-charles-deforest-fredricksFree Image from public domain licenseThe Right Hon. Lord Panmure, K.T., G.C.B. by Maull and Polyblank https://www.rawpixel.com/image/14319589/the-right-hon-lord-panmure-kt-gcb-maull-and-polyblankFree Image from public domain licenseJules Quicherat by Franck François Marie Louis Alexandre Gobinet de Villecholles and Justin Lallier https://www.rawpixel.com/image/14325985/image-face-person-artFree Image from public domain licenseCharles Herbert Pierrepont, Earl Manvers. Mezzotint by C. Tomkins after H. W. Pickersgill, 1857. https://www.rawpixel.com/image/14010308/image-face-person-clothingFree Image from public domain licenseUnidentified man with muttonchops, standing by Bailly and Maurice https://www.rawpixel.com/image/14307119/unidentified-man-with-muttonchops-standing-bailly-and-mauriceFree Image from public domain licenseSir Benjamin Collins Brodie. Engraving by D. J. Pound after Maull & Polyblank. https://www.rawpixel.com/image/14005851/sir-benjamin-collins-brodie-engraving-pound-after-maull-polyblankFree Image from public domain licenseEdward Cock. Mezzotint by W. T. Davey after P. A. T. Senties, 1843. https://www.rawpixel.com/image/13992004/edward-cock-mezzotint-davey-after-senties-1843Free Image from public domain licenseUnidentified man with long muttonchops, standing by Antoine Claudet https://www.rawpixel.com/image/14304353/unidentified-man-with-long-muttonchops-standing-antoine-claudetFree Image from public domain licenseHector Giacomelli (French painter, illustrator, and printmaker, 1822-1904) by Ferdinand J. Mulnier https://www.rawpixel.com/image/9028663/image-person-art-manFree Image from public domain licenseProfessor Graham, M.A., D.C.L., F.R.S. by Maull and Polyblank https://www.rawpixel.com/image/14320557/professor-graham-ma-dcl-frs-maull-and-polyblankFree Image from public domain licenseUnidentified man with long muttonchops, standing, holding a white hat by Charles E Crouse https://www.rawpixel.com/image/14308339/image-face-flower-plantFree Image from public domain licenseWilliam Bradley, a giant. Engraving by S. Freeman, 1811, after T. Peat. https://www.rawpixel.com/image/14006914/william-bradley-giant-engraving-freeman-1811-after-peatFree Image from public domain licenseJean-François Millet by Franck François Marie Louis Alexandre Gobinet de Villecholles and Justin Lallier https://www.rawpixel.com/image/14325012/image-face-person-artFree Image from public domain licenseFriedrich Heinrich Alexander von Humboldt. Lithograph by C. Wildt after C. Begas, 1840. https://www.rawpixel.com/image/13994123/image-face-person-artFree 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 licenseJoseph Skoda. Charcoal drawing by Berger, 1883, after A. F. Baschta. https://www.rawpixel.com/image/13981477/joseph-skoda-charcoal-drawing-berger-1883-after-baschtaFree Image from public domain licenseCarl Damian, Ritter von Schroff. Lithograph by E. Kaiser, 1850. https://www.rawpixel.com/image/13987198/carl-damian-ritter-von-schroff-lithograph-kaiser-1850Free Image from public domain licenseMarquis de la Valette, ministre by Sergei Luvovich Levitsky https://www.rawpixel.com/image/14310131/marquis-valette-ministre-sergei-luvovich-levitskyFree Image from public domain licenseRichard von Metternich by Franck François Marie Louis Alexandre Gobinet de Villecholles and Justin Lallier https://www.rawpixel.com/image/14324215/image-face-hand-personFree 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/14000342/image-face-person-clothingFree Image from public domain licenseSir William Fergusson. Mezzotint by F. Joubert after R. Lehmann, 1874. https://www.rawpixel.com/image/14009877/sir-william-fergusson-mezzotint-joubert-after-lehmann-1874Free Image from public domain licenseRobert Rainey Pennington. Mezzotint by W. Walker, 1849, after F. R. Say. https://www.rawpixel.com/image/13996192/robert-rainey-pennington-mezzotint-walker-1849-after-sayFree Image from public domain licensePierre Salomon Segalas. Lithograph by J.B.A. Lafosse, 1868, after Pierson. https://www.rawpixel.com/image/14011041/pierre-salomon-segalas-lithograph-jba-lafosse-1868-after-piersonFree Image from public domain license