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 licenseWillem IV (1711-51), prins van Oranje-Nassau (1745 - 1772) by Gerrit Kamphuysen and G Haag https://www.rawpixel.com/image/13795265/image-face-person-artFree 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