GENEALOGY OF KNOW THEIR SHOWS—Stuart Stewart, left, Rosalie Stewart and Lee Stewart, theatrical agents, whose experience runs a gamut from vaudeville to 3D. They are shown with posters from “The Torch Bearer’ of early 20s and Cinerama of today.

KNOW THEIR SHOWS— Stuart Stewart, left, Rosalie Stewart and Lee Stewart, theatrical agents, whose experience runs a gamut from vaudeville...