Norton Juster was an architect and planner, professor emeritus of design at Hampshire College, and the author of a number of highly acclaimed children's books, including The Dot and the Line, which was made into an Academy Award-winning animated film. He collaborated with Sheldon Harnick on the libretto for an opera based on The Phantom Tollbooth. The musical adaptation, with a score by Arnold Black, premiered in 1995. An amateur cook and professional eater, Mr. Juster lived with his wife in Amherst, Massachusetts.