The sick tsar Alexander III attended by Pobedonostsev, head of the Russian Orthodox church, Tolstoy and the mascot of the… https://www.rawpixel.com/image/14021496/image-paper-cartoon-faceFree Image from public domain licenseMarcellin Pierre Eugène Berthelot in his laboratory. Charcoal drawing. https://www.rawpixel.com/image/13979791/marcellin-pierre-eugene-berthelot-his-laboratory-charcoal-drawingFree Image from public domain licenseBuildings and alumni of Charterhouse, London and Surrey. Colour lithograph by Beynon & Company after [H. Hale]. https://www.rawpixel.com/image/13978677/image-cartoon-face-personFree Image from public domain licenseResidents at the Old Royal Infirmary, Edinburgh, summer 1854: clockwise from left, John Beddoe (seated left), John Kirk… https://www.rawpixel.com/image/14007108/photo-image-face-person-clothingFree Image from public domain licenseMarcellin Pierre Eugène Berthelot. Lithograph by J.B.A. Lafosse, 1868, after P.-L. Pierson. https://www.rawpixel.com/image/13992112/image-face-person-artFree Image from public domain licenseMarcelin Pierre Eugène Berthelot. Photograph by Braun, Clément & Cie. https://www.rawpixel.com/image/14014327/marcelin-pierre-eugene-berthelot-photograph-braun-clement-cieFree Image from public domain licenseProfessors considering whether a pair of conjoined twins should be separated after the death of one of them; representing a… https://www.rawpixel.com/image/14010197/image-cartoon-face-personFree Image from public domain licenseFellows of the Royal Society: Sir John Evans, bust of Sir Isaac Newton, Lord Kelvin, R.B. Clifton, G.G. Stokes, Sir Michael… https://www.rawpixel.com/image/13989095/photo-image-people-clothing-manFree Image from public domain licenseMarcelin Pierre Eugène Berthelot. Photograph after a bust by A. Rodin. https://www.rawpixel.com/image/14010447/marcelin-pierre-eugene-berthelot-photograph-after-bust-rodinFree Image from public domain licenseBuildings and surgeons and physicians of King's College Hospital, London. Coloured lithograph by Beynon & Company after H.… https://www.rawpixel.com/image/13996831/image-person-medicine-artFree Image from public domain licenseFellows of the Royal Society: Sir John Evans, bust of Sir Isaac Newton, Lord Kelvin, R.B. Clifton, G.G. Stokes, Sir Michael… https://www.rawpixel.com/image/13976693/photo-image-people-clothing-manFree Image from public domain license