Perhaps not so preppy in their day, but they have certainly become so. ... Each dress is like a mini-tapestry—a work of art, totally worthy of obsession. 6. THE VESTED GENTRESS.

APT PUPILS At left, a teenage student epitomizing preppy style in the 1950s and, at right, a prep-inspired look from London designer Molly Goddard’s fall line. Photo: Matt Chase.