Distinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13975701/image-person-art-clothingFree Image from public domain licenseGanzenbord (1763 - 1823) by Jan Oortman Sr and Daniel Willem Stoopendaal https://www.rawpixel.com/image/13764360/ganzenbord-1763-1823-jan-oortman-and-daniel-willem-stoopendaalFree Image from public domain licensePope Pius VII on the Saône near Lyons. Etching by J.J. de Boissieu. https://www.rawpixel.com/image/14008272/pope-pius-vii-the-saone-near-lyons-etching-jj-boissieuFree Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13981199/image-person-art-clothingFree Image from public domain licenseThe distinguished men of science 1807-8: a key to the identities of the sitters. Photograph of engraving by W. Walker, 1862… https://www.rawpixel.com/image/14011458/image-cartoon-face-personFree Image from public domain license