Artists and musicians active in the 17th century: twenty heads. Engraving by J.W. Cook, 1825. https://www.rawpixel.com/image/14004157/image-rosa-face-personFree Image from public domain licenseAstronomy: seven astronomers, forming the allegorical titlepage to Dirck Rembrantz van Nierop, Nederduytsche astronomia.… https://www.rawpixel.com/image/14021087/image-paper-cartoon-personFree Image from public domain license