A rural surgeon treating an elderly man's foot, in the background an assistant is mixing a concoction with a pestle and… https://www.rawpixel.com/image/13987583/image-background-cartoon-personFree Image from public domain licenseThe good Samaritan: a physician on his way to the opera stops to attend a sick gypsy child; father and siblings dressed in… https://www.rawpixel.com/image/14002330/image-background-horse-faceFree Image from public domain license