John Milton dictating 'Paradise Lost' to his daughter due to his blindness. Line engraving by C. Grignion after S. Wale. https://www.rawpixel.com/image/13995847/image-cartoon-person-artFree Image from public domain licenseA rural medical practitioner examining a urine specimen, a concerned mother with two children sitting near him. Line… https://www.rawpixel.com/image/13987558/image-person-medicine-artFree Image from public domain license