Stuart Oswald Blenheim was short; so short that it was difficult to see
him among a group of eighth or ninth graders. He took full advantage
of his camouflage, so that he could spy on his charges. He was known
to walk up quietly to a room, place his stethoscope to the door, and
gradually straighten his knees and stand on his toes so as to see
through the small glass window. Teachers were constantly on the lookout
for a bald head rising in their doors’ windows.