A teacher giving lessons to three children who are busy writing. Gouache painting on mica by an Indian artist. https://www.rawpixel.com/image/13965269/image-face-person-artFree Image from public domain licenseWorking man png clipart illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/10094235/png-cartoon-headphonesFree PNG from public domain licenseNurse training. At the ping pong table in the game room, Susan Petty, student nurse, enjoys a bit of relaxation after a busy… https://www.rawpixel.com/image/12239930/photo-image-face-person-tableFree Image from public domain license[Untitled photo, possibly related to: Skiers on porch of Mr. Dickinson's home in Lisbon, Franconia, New Hampshire. He… https://www.rawpixel.com/image/12109166/image-face-person-artFree Image from public domain license