Wendy Keys’ Milton Glaser: To Inform and Delight unfolds as a labor of love and mutual respect between Ms. Keys and Mr. Glaser, onetime colleagues in the early ’70s on the Board of Directors of the International Design Conference in Aspen. Ms. Keys, a longtime program director at the Film Society of Lincoln Center, arranged film series for the Aspen conference, and Mr. Glaser was the master designer.