Willy Wonka & the Chocolate Factory chocolate factory. A mysterious tinker recites the first lines of William Allingham's poem "The Fairies", and tells Charlie, "Nobody ever goes in, and nobody ever comes out." Charlie rushes home to his widowed mother and bedridden grandparents. After telling Grandpa Joe about the tinker, he reveals that Wonka locked the factory because other candy makers, including rival Arthur Slugworth, sent in spies to steal his recipes. Wonka disappeared, but after three years resumed selling candy; the origin of Wonka's labor force is unknown. The next day, Wonka announces that he hid five "Golden Tickets" in chocolate Wonka Bars. Finders of
Willy Wonka & the Chocolate Factory to buy the rights to the book and finance the picture for the purpose of promoting a new Quaker Oats "Wonka Bar". David L. Wolper and Roald Dahl agreed that the film would be a children's musical, and that Dahl himself would write the screenplay. However, Wolper changed the title to "Willy Wonka and the Chocolate Factory". Screenwriter David Seltzer conceived a gimmick exclusively for the film that had Wonka quoting numerous literary sources, such as Arthur O'Shaughnessy's "Ode", Oscar Wilde's "The Importance of Being Earnest", Samuel Taylor Coleridge's "The Rime of the Ancient Mariner" and William Shakespeare's "The Merchant